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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

nervus laryngeus recurrens
Synonym for recurrent laryngeal nerve ... <anatomy, nerve> A branch of a nerve (the vagus nerve) that comes down the neck and turns back ( recurs ) to supply the larynx (the voice box ). ... (12 Dec 1998) ...

nervus laryngeus superior
Synonym for superior laryngeal nerve ... <anatomy, nerve> A branch of the vagus nerve at the inferior ganglion; at the thyroid cartilage it divides into two branches; the internal laryngeal nerve, a sensory branch which supplies the mucous membrane of the larynx superior to the vocal folds, and the external laryngeal nerve, a motor branch whic …

nervus lingualis
Synonym for lingual nerve ... <anatomy, nerve> A sensory branch of the mandibular nerve, which is part of the trigeminal (5th cranial) nerve. The lingual nerve carries general afferent fibres from the anterior two-thirds of the tongue, the floor of the mouth, and the mandibular gingivae. ... (12 Dec 1998) ...

nervus mandibularis
Synonym for mandibular nerve ... <anatomy, nerve> A branch of the trigeminal (5th cranial) nerve. The mandibular nerve carries motor fibres to the muscles of mastication and sensory fibres to the teeth and gingivae, the face in the region of the mandible, and parts of the dura. ... (12 Dec 1998) ...

nervus massetericus
Synonym for masseteric nerve ... <anatomy, nerve> A muscular branch of the mandibular nerve passing through the mandibular notch to the medial surface of the masseter muscle which it supplies and the temporomandibular joint. ... Synonym: nervus massetericus. ... (05 Mar 2000) ...

nervus maxillaris
Synonym for maxillary nerve ... <anatomy, nerve> The intermediate sensory division of the trigeminal (5th cranial) nerve. The maxillary nerve carries general afferents from the intermediate region of the face including the lower eyelid, nose and upper lip, the maxillary teeth, and parts of the dura. ... (12 Dec 1998) ...

nervus meatus acustici externi
Synonym for nerve of external acoustic meatus ... A branch of the auriculotemporal nerve supplying the lining of the external acoustic meatus. ... Synonym: nervus meatus acustici externi. ... (05 Mar 2000) ...

nervus medianus
Synonym for median nerve ... <anatomy, nerve> A major nerve of the upper extremity. In humans, the fibres of the median nerve originate in the lower cervical and upper thoracic spinal cord (usually c6 to t1), travel via the brachial plexus, and supply sensory and motor innervation to parts of the forearm and hand. ... (12 Dec 1998) ...

nervus mentalis
Synonym for mental nerve ... <anatomy, nerve> A branch of the inferior alveolar nerve, arising in the mandibular canal and passing through the mental foramen to the chin and lower lip. ... Synonym: nervus mentalis. ... (05 Mar 2000) ...

nervus musculocutaneus
Synonym for musculocutaneous nerve ... <anatomy, nerve> A major nerve of the upper extremity. The fibres of the musculocutaneous nerve originate in the lower cervical spinal cord (usually c5 to c7), travel via the lateral cord of the brachial plexus, and supply sensory and motor innervation to the upper arm, elbow, and forearm. ... (12 Dec 1998 …

nervus mylohyoideus
Synonym for mylohyoid nerve ... <anatomy, nerve> A small branch of the inferior alveolar nerve given off posteriorly just before the nerve enters the mandibular foramen, distributed to the anterior belly of the digastric muscle and to the mylohyoid muscle. ... Synonym: nervus mylohyoideus, nerve to mylohyoid. ... (05 Mar 2000) ...

nervus nasociliaris
Synonym for nasociliary nerve ... <anatomy, nerve> A branch of the ophthalmic nerve in the superior orbital fissure, passing through the orbit, giving rise to the communicating branch to the ciliary ganglion, the long ciliary nerves, the posterior and anterior ethmoidal nerves, and terminating as the infratrochlear and nasal branches, which su …

nervus nasopalatinus
Synonym for nasopalatine nerve ... <anatomy, nerve> A branch from the pterygopalatine ganglion, passing through the sphenopalatine foramen, crossing to and then down the nasal septum, and through the incisive foramen to supply the mucous membrane of the hard palate. ... Synonym: nervus nasopalatinus. ... (05 Mar 2000) ...

nervus obturatorius
Synonym for obturator nerve ... <anatomy, nerve> A nerve originating in the lumbar spinal cord (l2 to l4) and traveling through the lumbar plexus to the lower extremity. The obturator nerve provides motor innervation to the adductor muscles of the thigh and cutaneous sensory innervation of the inner thigh. ... (12 Dec 1998) ...

nervus occipitalis major
Synonym for greater occipital nerve ... <anatomy, nerve> Medial branch of the dorsal primary ramus of the second cervical nerve; sends branches to the semispinalis capitis and multifidus cervicis, but is mainly cutaneous, supplying the back part of the scalp. ... Synonym: nervus occipitalis major. ... (05 Mar 2000) ...

nervus occipitalis minor
Synonym: lesser occipital nerve. ... (05 Mar 2000) ...

nervus occipitalis tertius
Synonym for third occipital nerve ... <anatomy, nerve> Medial branch of the dorsal primary ramus of the third cervical nerve; this is usually joined with the greater occipital, but may exist as an independent nerve supplying cutaneous branches to the scalp and nucha. ... Synonym: nervus occipitalis tertius. ... (05 Mar 2000) ...

nervus octavus
Synonym for vestibulocochlear nerve ... <anatomy, nerve> The vestibulocochlear nerve is responsible for the sense of hearing and balance (body position sense). ... Lesions of the eighth nerve can result in deafness, tinnitus, dizziness, vertigo and vomiting. ... Synonym: cranial nerve VIII. ... (27 Sep 1997) ...

nervus oculomotorius
Synonym for oculomotor nerve ... <anatomy, nerve> Responsible for motor enervation of upper eyelid muscle, extraocular muscle and pupillary muscle. Lesions of the oculomotor nerve results in ptosis (dropping eyelid), deviation of the eyeball outward, double vision and a dilated pupil. ... (27 Sep 1997) ...

nervus ophthalmicus
Synonym for ophthalmic nerve ... <anatomy, nerve> A sensory branch of the trigeminal (5th cranial) nerve. The ophthalmic nerve carries general afferents from the superficial division of the face including the eyeball, conjunctiva, upper eyelid, upper nose, nasal mucosa, and scalp. ... (12 Dec 1998) ...

nervus opticus
Synonym for optic nerve ... <anatomy, nerve> The optic nerve. The nerve carrying impulses for the sense of sight. ... Projection from the vertebrate retina to the midbrain. Embryologically, a CNS tract rather than a peripheral nerve. Popular experimental preparation for studies of regeneration of retino tectal projections in lower vertebrates a …

nervus palatinus major
Synonym for greater palatine nerve ... <anatomy, nerve> A branch of the pterygopalatine ganglion that passes downward through the greater palatine canal to supply the mucosa and glands of the hard palate, and the anterior part of the soft palate. ... Synonym: nervus palatinus major. ... (05 Mar 2000) ...

nervus pectoralis lateralis
Synonym for lateral pectoral nerve ... <anatomy, nerve> A nerve that arises from the lateral cord of the brachial plexus usually passing medial to pectoralis minor to supply the sternoclavicular head of pectoralis major. ... Synonym: nervus pectoralis lateralis, lateral anterior thoracic nerve. ... (05 Mar 2000) ...

nervus pectoralis medialis
Synonym for medial pectoral nerve ... <anatomy, nerve> A nerve that arises from the medial cord of the brachial plexus to supply the pectoral muscles; usually pierces pectoralis minor, then continues to supply mainly the sternocostal portion of pectoralis major. ... Synonym: nervus pectoralis medialis, medial anterior thoracic nerve. ... (05 Mar …

nervus peroneus communis
Synonym for common peroneal nerve ... <anatomy, nerve> One of the terminal divisions of the sciatic nerve, diverging from the tibial nerve at the upper end of the popliteal fossa, then coursing with the biceps tendon along the lateral portion of the popliteal space to wind around the neck of the fibula where it divides into the superficial and …

nervus peroneus profundus
Synonym for deep peroneal nerve ... <anatomy, nerve> One of the terminal branches of the common peroneal nerve, arising at the fibular neck and passing into the anterior compartment of the leg; it supplies the tibialis anterior, extensor hallucis longus, extensor digitorum longus, and peroneus tertius muscles in the leg, then crosses the ankle …

nervus peroneus superficialis
Synonym for superficial peroneal nerve ... <anatomy, nerve> A branch of the common peroneal nerve which passes downward in the lateral compartment of the leg to supply the peroneus longus and brevis muscles and terminate as the intermediate and medial dorsal cutaneous nerves supplying the skin of the dorsum of the foot and toes (except for adj …

nervus petrosus major
Synonym for greater superficial petrosal nerve ... <anatomy, nerve> The parasympathetic root of the pterygopalatine ganglion; a branch from the genu of the facial nerve exiting via the hiatus of the facial canal and running in a groove on the anterior surface of the petrous part of the temporal bone beside the foramen lacerum to join the deep …

nervus petrosus minor
Synonym for lesser superficial petrosal nerve ... <anatomy, nerve> The parasympathetic root of the otic ganglion, derived from the tympanic plexus; it leaves the tympanic cavity through the canal for the lesser petrosal nerve and passes within the cranium to the sphenopetrosal fissure, or to the foramen ovale, or to the petrosal foramen throug …

nervus petrosus profundus
Synonym for deep petrosal nerve ... <anatomy, nerve> The deep petrosal branch of the internal carotid plexus, which joins the greater petrosal nerve at the entrance of the pterygoid canal to provide postsynaptic fibres to nerve of the pterygoid canal. ... Synonym: nervus petrosus profundus. ... (05 Mar 2000) ...

nervus phrenicus
Synonym for phrenic nerve ... <anatomy, nerve> The motor nerve of the diaphragm. The phrenic nerve fibres originate in the cervical spinal column (mostly c4) and travel through the cervical plexus to the diaphragm. ... (12 Dec 1998) ...

nervus plantaris lateralis
Synonym for lateral plantar nerve ... <anatomy, nerve> One of the two terminal branches of the tibial nerve; it courses along the lateral side of the sole, dividing into superficial and deep branches; it supplies the skin of the lateral aspect of the sole and the lateral one and one-half toes; it innervates the intrinsic muscles of the plantar …

nervus plantaris medialis
Synonym for medial plantar nerve ... <anatomy, nerve> One of the two terminal branches of the tibial nerve; it courses along the medial aspect of the sole to supply the abductor hallucis and flexor digitorum brevis and, by way of common and proper digital branches, to innervate the skin of the medial part of the foot and medial three and one-h …

nervus presacralis
An alternate term for superior hypogastric plexus. ... (05 Mar 2000) ...

nervus pterygoideus
Synonym for pterygoid nerve ... <anatomy, nerve> One of two motor branches, lateral and medial, of the mandibular nerve, supplying the lateral and medial pterygoid muscles with fibres of the motor root of the trigeninal nerve. ... Synonym: nervus pterygoideus. ... (05 Mar 2000) ...

nervus pudendus
Synonym for pudendal nerve ... <anatomy, nerve> Formed by fibres from the ventral primary rami of the second, third, and fourth sacral spinal nerves; it exits the pelvis via the greater sciatic foramen, passes posterior to the sacrospinous ligament, and accompanies the internal pudendal artery, into the perineum via the lesser sciatic foramen; …

nervus radialis
Synonym for radial nerve ... <anatomy, nerve> A major nerve of the upper extremity. In humans the fibres of the radial nerve originate in the lower cervical and upper thoracic spinal cord (usually c5 to t1), travel via the posterior cord of the brachial plexus, and supply motor innervation to extensor muscles of the arm and cutaneous sensory f …

nervus saccularis
Synonym for saccular nerve ... <anatomy, nerve> A branch of the vestibular nerve going to the macula of the sacculus. ... Synonym: nervus saccularis. ... (05 Mar 2000) ...

nervus saphenus
Synonym for saphenous nerve ... <anatomy, nerve> A branch of the femoral, extending from the femoral triangle to the foot, becoming subcutaneous on the medial side of the knee; it supplies cutaneous branches to the skin of the leg and foot, by way of infrapatellar and medial crural branches. ... Synonym: nervus saphenus, internal saphenous nerv …

nervus sciaticus
An alternate term for sciatic nerve. ... (05 Mar 2000) ...

nervus spermaticus externus
Synonym for genital branch of genitofemoral nerve ... <anatomy, nerve> Branch of genitofemoral nerve distributed to skin of anterior scrotum (male) or labia majora (female) and adjacent thigh and supplying a motor branch to the cremaster muscle. Usually passes through deep inguinal ring and canal. ... Synonym: ramus genitalis nervi genitofemora …

nervus spinosus
Synonym for meningeal branch of mandibular nerve ... <anatomy, nerve> A recurrent branch of the mandibular nerve that passes superiorly through foramen spinosum to be distributed with the posterior division of the middle meningeal artery to the meninges of the posterior portion of the middle cranial fossa. ... Synonym: ramus meningeus nervi man …

nervus splanchnicus imus
Synonym for lowest splanchnic nerve ... <anatomy, nerve> One of the abdominopelvic splanchnic nerves arising in the thorax and penetrating the diaphragm to supply presynaptic sympathetic fibres for the renal plexus; often combined with the lesser splanchnic nerve, but occasionally existing as an independent nerve. ... Synonym: nervus splanchnic …

nervus splanchnicus major
Synonym for greater splanchnic nerve ... <anatomy, nerve> Uppermost of the abdominopelvic splanchnic which arises from the fifth or sixth to the ninth or tenth thoracic sympathetic ganglia in the thorax and passes downward along the bodies of the thoracic vertebrae, penetrating the diaphragm to join the coeliac plexus; conveys presynaptic symp …

nervus splanchnicus minor
Synonym for lesser splanchnic nerve ... <anatomy, nerve> One of the abdominopelvic splanchnic nerves arising in the thorax from the last two thoracic sympathetic ganglia and passing through the diaphragm to the aorticorenal ganglion; conveys presynaptic sympathetic fibres and visceral afferent fibres. ... Synonym: nervus splanchnicus minor. ... …

nervus stapedius
Synonym for nerve to stapedius muscle ... <anatomy> A branch of the facial arising in the facial canal and innervating the stapedius muscle. ... Synonym: nervus stapedius. ... (05 Mar 2000) ...

nervus statoacusticus
Synonym for vestibulocochlear nerve ... <anatomy, nerve> The vestibulocochlear nerve is responsible for the sense of hearing and balance (body position sense). ... Lesions of the eighth nerve can result in deafness, tinnitus, dizziness, vertigo and vomiting. ... Synonym: cranial nerve VIII. ... (27 Sep 1997) ...

nervus subclavius
Synonym for subclavian nerve ... <anatomy, nerve> A branch from the superior trunk of the brachial plexus supplying the subclavius muscle. ... Synonym: nervus subclavius. ... (05 Mar 2000) ...

nervus subcostalis
Synonym for subcostal nerve ... <anatomy, nerve> The ventral ramus of the twelfth thoracic nerve; it courses below the last rib, supplies parts of the abdominal muscles and gives off cutaneous branches to the skin of the lower-most ventrolateral abdominal wall and to the superolateral gluteal region. ... Synonym: nervus subcostalis. ... (05 Mar …

nervus sublingualis
Synonym for sublingual nerve ... <anatomy, nerve> A branch of the lingual to the sublingual gland and mucous membrane of the floor of the mouth. ... Synonym: nervus sublingualis. ... (05 Mar 2000) ...

nervus suboccipitalis
Synonym for suboccipital nerve ... Dorsal ramus of the first cervical nerve, passing through the suboccipital triangle and sending branches to the rectus capitis posterior major and minor, obliquus capitis superior and inferior, rectus capitis lateralis, and semispinalis capitis; the first cervical spinal nerve is generally considered to have only m …

nervus supraclavicularis lateralis
Synonym for lateral supraclavicular nerve ... <anatomy, nerve> One of several branches of the C-3-C-4 portion of the cervical plexus which descend to the skin over the acromion and deltoid region. ... Synonym: nervus supraclavicularis lateralis, posterior supraclavicular nerve. ... (05 Mar 2000) ...

nervus supraclavicularis medialis
Synonym for medial supraclavicular nerve ... <anatomy, nerve> One of several nerves arising from the cervical plexus which supply the skin over the upper medial part of the thorax. ... Synonym: nervus supraclavicularis medialis, anterior supraclavicular nerve. ... (05 Mar 2000) ...

nervus supraorbitalis
Synonym for supraorbital nerve ... <anatomy, nerve> A branch of the frontal nerve leaving the orbit through the supraorbital foramen or notch and dividing into branches distributed to the forehead and scalp, upper eyelid, and frontal sinus. ... Synonym: nervus supraorbitalis. ... (05 Mar 2000) ...

nervus suprascapularis
Synonym for suprascapular nerve ... <anatomy, nerve> Arises from the upper trunk of the brachial plexus (fifth and sixth cervical spinal nerves), passes downward parallel to the cords of the brachial plexus, then through the scapular notch, supplying the supraspinatus and infraspinatus muscles, and also sending branches to the shoulder joint. …

nervus supratrochlearis
Synonym for supratrochlear nerve ... <anatomy, nerve> A branch of the frontal nerve supplying the medial part of the upper eyelid, the central part of the skin of the forehead, and the root of the nose. ... Synonym: nervus supratrochlearis. ... (05 Mar 2000) ...

nervus suralis
Synonym for sural nerve ... <anatomy, nerve> A branch of the tibial nerve which supplies sensory innervation to parts of the lower leg and foot. ... (12 Dec 1998) ...

nervus tensoris tympani
Synonym for nerve of tensor tympani muscle ... <anatomy> A branch of the mandibular nerve conveying fibres from the motor root of the trigeminal nerve which pass through the otic ganglion without synapse to supply the tensor tympani muscle. ... Synonym: nervus tensoris tympani. ... (05 Mar 2000) ...

nervus tensoris veli palatini
Synonym for nerve of tensor veli palatini muscle ... <anatomy> A branch of the mandibular nerveconveying fibres from the motor root of the trigeminal nerve which pass through the otic ganglion without synapse to supply the tensor veli palatini muscle. ... Synonym: nervus tensoris veli palatini. ... (05 Mar 2000) ...

nervus tentorii
Synonym for tentorial nerve ... <anatomy, nerve> The tentorial branch, a branch arising in a recurrent fashion from the intracranial portion of the ophthalmic nerve supplying the tentorium and supratentorial falx cerebri. ... Synonym: ramus tentorii, nervus tentorii. ... (05 Mar 2000) ...

nervus thoracicus longus
Synonym for long thoracic nerve ... <anatomy, nerve> Arises from the fifth, sixth, and seventh cervical nerves (roots of brachial plexus), descends the neck behind the brachial plexus, and is distributed to the serratus anterior muscle; it is somewhat unusual in that it courses on the superficial aspect of the muscle is supplies; its paralysis …

nervus thoracodorsalis
Synonym for thoracodorsal nerve ... <anatomy, nerve> Arises from the posterior cord of the brachial plexus; it contains fibres from the sixth, seventh, and eighth cervical nerves and supplies the latissimus dorsi muscle. ... Synonym: nervus thoracodorsalis, long subscapular nerve. ... (05 Mar 2000) ...

nervus tibialis
Synonym for tibial nerve ... <anatomy, nerve> The medial terminal branch of the sciatic nerve. The tibial nerve fibres originate in lumbar and sacral spinal segments (l4 to s2). They supply motor and sensory innervation to parts of the calf and foot. ... (12 Dec 1998) ...

nervus transversus colli
Synonym for transverse cervical nerve ... <anatomy, nerve> A branch of the cervical plexus that supplies the skin over the anterior triangle of the neck. ... Synonym: nervus transversus colli, cutaneous cervical nerve, nervus cervicalis superficialis, superficial cervical nerve, transverse nerve of neck. ... (05 Mar 2000) ...

nervus trigeminus
Synonym for trigeminal nerve ... <anatomy, nerve> The trigeminal nerve is responsible for sensory enervation of the face and motor enervation to muscles of mastication (chewing). ... There are three divisions of the fifth cranial nerve, ophthalmic, maxillary and mandibular. Lesions of the sensory root to the trigeminal nerve can result in pain …

nervus trochlearis
Synonym for trochlear nerve ... <anatomy, nerve> The trochlear nerve controls an extraocular muscle. ... Lesions of this nerve will result in rotation of the eyeball upward and outward (and double vision). ... Synonym: cranial nerve IV. ... (27 Sep 1997) ...

nervus tympanicus
Synonym for tympanic nerve ... <anatomy, nerve> A nerve from the inferior ganglion of the glossopharyngeal nerve, passing through the tympanic canaliculus to the tympanic cavity, forming there the tympanic plexus which supplies the mucous membrane of the tympanic cavity, mastoid cells, and auditory tube; presynaptic parasympathetic fibres also …

nervus ulnaris
Synonym for ulnar nerve ... <anatomy, nerve> A major nerve of the upper extremity. In humans, the fibres of the ulnar nerve originate in the lower cervical and upper thoracic spinal cord (usually c7 to t1), travel via the medial cord of the brachial plexus, and supply sensory and motor innervation to parts of the hand and forearm. ... (12 Dec 1 …

nervus utricularis
Synonym for utricular nerve ... <anatomy, nerve> A branch of the utriculoampullar nerve, supplying the macula of the utricle. ... Synonym: nervus utricularis. ... (05 Mar 2000) ...

nervus utriculoampullaris
Synonym for utriculoampullar nerve ... <anatomy, nerve> A division of the vestibular part of the eighth cranial nerve; it gives off branches to the macula of the utricle (utricular nerve) and to the cristae of the ampullae of the anterior and lateral semicircular ducts (anterior and lateral ampullary nerves). ... Synonym: nervus utriculoampulla …

nervus vagus
Synonym for vagus nerve ... <anatomy, nerve> The vagus nerve enervates the gut (gastrointestinal tract), heart and larynx. ... Lesions of the tenth nerve usually result in a horse voice, but may also cause difficulty in swallowing or talking. ... Synonym: cranial nerve X. ... (27 Sep 1997) ...

nervus vascularis
Synonym for vascular nerve ... <anatomy, nerve> A small nerve filament that supplies the wall of a blood vessel. ... Synonym: nervus vascularis. ... (05 Mar 2000) ...

nervus vertebralis
Synonym for vertebral nerve ... <anatomy, nerve> A branch from the stellate ganglion that ascends along the vertebral artery to the level of the axis or atlas, giving branches to the cervical nerves and meninges. ... Synonym: nervus vertebralis. ... (05 Mar 2000) ...

nervus vestibularis
Synonym for vestibular nerve ... <anatomy, nerve> The vestibular part of the acoustic (8th cranial) nerve. The vestibular nerve fibres arise from neurons of scarpa's ganglion and project peripherally to vestibular hair cells and centrally to the vestibular nuclei of the brainstem. These fibres mediate the sense of balance and head position. …

nervus vestibulocochlearis
vestibulocochlear nerve. See entries under radix ...

nervus zygomaticus
Synonym for zygomatic nerve ... <anatomy, nerve> A branch of the maxillary nerve in the inferior orbital fissure through which it passes; it gives rise to two sensory branches, the zygomaticotemporal and zygomaticofacial, which supply the skin of the temporal and zygomatic regions and is continued as the communicating branch of the lacrimal ne …

nesidiectomy
<procedure> Excision of islet tissue of the pancreas. ... Origin: G. Nesidion, islet, dim. Of nesos, island, + ektome, excision ... (05 Mar 2000) ...

nesidioblast
A pancreatic islet-forming cell. ... Origin: G. Nesidion, dim. Of nesos, island, + blastos, germ ... (05 Mar 2000) ...

nesidioblastoma
<tumour> Synonym: islet cell adenoma. ... Origin: nesidioblast + G. -oma, tumour ... (05 Mar 2000) ...

nesidioblastosis
Hyperplasia of the cells of the islets of Langerhans. ... Origin: nesidioblast + G. -osis, tumour ... (05 Mar 2000) ...

Nessler
A., German chemist, 1827-1905. ... See: Nessler's reagent. ... (05 Mar 2000) ...

Nessler's reagent
A solution of potassium hydroxide, mercuric iodide, and potassium iodide; it yields a yellow colour with ammonia (a brown precipitate with larger amounts) that can be used for quantitative assay. ... (05 Mar 2000) ...

nesslerise
To treat with Nessler's reagent; used in the determination of urea nitrogen in the blood and in the urine. ... (05 Mar 2000) ...

nest
Origin: AS. Nest; akin to D. & G. Nest, Sw. Naste, L. Nidus, for nisdus, Skr. Nia resting place, nest; cf. Lith. Lizdas, Arm. Neiz, Gael. & Ir. Nead. Prob. From the particle ni down, Skr. Ni + the root of E. Sit, and thus orig, a place to sit down in. ... See Nether, and Sit, and cf. Eyas, Nidification, Nye. ... 1. The bed or receptacle prepa …

nestin
<protein> Large (200 kD) intermediate filament protein found in developing rat brain. Functionally similar to other intermediate filament proteins but the sequence is very different. Forms class VI of the intermediate filaments. ... (18 Nov 1997) ...

nesting behaviour
Animal behaviour associated with the nest; includes construction, effects of size and material; behaviour of the adult during the nesting period and the effect of the nest on the behaviour of the young. ... (12 Dec 1998) ...

nesting habitat
Forest vegetation with the age class, species of trees, structure, sufficient area, and adequate food source to meet the needs of a nesting pair of spotted owls. This type of habitat is found generally in older forests with multiple canopies, large diameter trees, and abundant large standing and down woody debris. ... (05 Dec 1998) ...

nestle
1. To make and occupy a nest; to nest. 'The kingfisher . Nestles in hollow banks.' (L'Estrange) ... 2. To lie close and snug, as a bird in her nest; to cuddle up; to settle, as in a nest; to harbor; to take shelter. 'Their purpose was to fortify in some strong place of the wild country, and there nestle till succors came.' (Bacon) ... 3. To move abou …

net flux
The difference between the two unidirectional flux's. ... (05 Mar 2000) ...

net heating value
The potential energy available in the fuel as received, taking into account the energy loss in evapourating and superheating the water in the sample. Expressed as NVH = (HHV x (1- MC / 100)) - (LH(2)O x MC / 100) ... (05 Dec 1998) ...

net knot
Synonym for karyosome ... <cell biology> The central portion of a cells nucleus that typically contains a glob of heterochromatin. ... Origin: Gr. Soma = body ... (09 Oct 1997) ...

net present value
The sum of the costs and benefits of a project or activity. Future benefits and costs are discounted to account for interest costs. ... (05 Dec 1998) ...

netherlands antilles
A netherlands overseas territory in the lesser antilles in the west indies. It includes the islands of aruba, bonaire, curacao, saba, st. Eustatius, and the southern part of st. Martin. Its capital is willemstad. Its former names are curacao, netherlands west indies, and dutch west indies. Its colonial status was abolished by the netherlands govern …

Netherton, Earl
<person> 20th century U.S. Dermatologist. ... See: Netherton's syndrome. ... (05 Mar 2000) ...

Netherton's syndrome
<syndrome> Congenital ichthyosiform erythroderma or ichthyosis linearis circumscripta associated with bamboo hair, and irregularly with atopy, urticaria, intermittent aminoaciduria, and mental retardation; probably an autosomal recessive trait that frequently resolves or improves in adolescence. ... (05 Mar 2000) ...

netilmicin
<chemical> O-3-deoxy-4-c-methyl-3-(methylamino)-beta-l- arabinopyranosyl-(1-6)-o-(2,6-diamino-2,3,4,6-tetradeoxy- alpha-d-glycero-hex-4-enopyranosyl-(1-4)-2-deoxy-n(1)- ethyl-d-streptamine. Semisynthetic 1-n-ethyl derivative of sisomycin, an aminoglycoside antibiotic with action similar to gentamicin, but less ear and kidney toxicity. ... Phar …

netilmicin sulfate
(C21H41N5O7)2-5H 2SO4;a parenteral aminoglycoside antibiotic used for short-term treatment of serious or life-threatening bacterial infections. ... (05 Mar 2000) ...

netrin
<protein> Genes identified in studies of vertebrate neuronal development. Netrins are chemotropic for embryonic commisural neurones: netrin 1 is secreted by the floorplate, whereas netrin 2 is distributed ventrally except for the floorplate. The netrins are homologous to the product of unc 6, a gene identified in studies of neuronal developme …

netropsin
<chemical> 4-((((aminoiminomethyl)amino)acetyl)amino)-n-(5-(((3-amino-3-iminopropyl)amino)carbonyl)-1-methyl-1h-pyrrol-3-yl)-1-methyl-1h-pyrrole-3-carboxamide. A basic polypeptide isolated from streptomyces netropsis. It has antibacterial and antiviral properties, and is used as a tool in the study of nucleic acids due to its strong, specific …

netting
1. The act or process of making nets or network, or of forming meshes, as for fancywork, fishing nets, etc. ... 2. A piece of network; any fabric, made of cords, threads, wires, or the like, crossing one another with open spaces between. ... 3. A network of ropes used for various purposes, as for holding the hammocks when not in use, also for stowing …