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

anterior myocardial infarction
Infarction involving the anterior wall of the heart, and producing indicative electrocardiographic changes in the anterior chest leads and often in limb lead I. ... (05 Mar 2000) ...

anterior naris
Synonym for nostril ... 1. <anatomy> One of the external openings of the nose, which give passage to the air breathed and to secretions from the nose and eyes; one of the anterior nares. ... In sperm whales, porpoises, and allied animals, there is only one nostril, which is situated on the top of the head and called a spiracle. ... 2. Perception …

anterior nasal aperture
The anterior nasal opening in the skull. ... Synonym: apertura piriformis, piriform opening. ... (05 Mar 2000) ...

anterior nasal spine
A pointed projection at the anterior extremity of the intermaxillary suture; the tip, as seen on a lateral cephalometric radiograph, is used as a cephalometric landmark. ... Synonym: spina nasalis anterior. ... (05 Mar 2000) ...

anterior neuropore
Synonym for rostral neuropore ... The temporary opening at the extreme rostral (cephalic) end of the early embryonic forebrain; closes at the 20th somite stage. ... Synonym: anterior neuropore, cranial neuropore. ... (05 Mar 2000) ...

anterior notch of cerebellum
Synonym for anterior cerebellar notch ... A wide, shallow notch on the anterior surface of the cerebellum occupied laterally by the superior cerebellar peduncles and the inferior quadrigeminal bodies medially. ... Synonym: anterior notch of cerebellum, incisura cerebelli anterior, semilunar notch. ... (05 Mar 2000) ...

anterior notch of ear
A notch between the supratragic tubercle and the crus of the helix. ... Synonym: incisura anterior auris, anterior auricular groove, auricular notch, sulcus auriculae anterior. ... (05 Mar 2000) ...

anterior nuclei of thalamus
Collective term for three groups of nerve cells which together form the anterior thalamic tubercle: the anteroventral nuclei, a relatively large nucleus; the anteromedial nuclei; and the anterodorsal nuclei, a small (but large-celled) nucleus. The nuclei receive the mamillothalamic tract from the mamillary body, and additional afferents by way of t …

anterior occlusion
The occlusion of anterior teeth. ... Synonym: mesial occlusion. ... (05 Mar 2000) ...

anterior ocular segment
That portion of the eye comprising the cornea, iris, lens, and their associated chambers and adnexa. ... (05 Mar 2000) ...

anterior palatine arch
Synonym for palatoglossal arch ... One of a pair of ridges or folds of mucous membrane passing from the soft palate to the side of the tongue; it encloses the palatoglossus muscle and forms anterior margin of the tonsillar fossa. Also demarcates oral cavity from isthmus of fauces. ... Synonym: arcus palatoglossus, anterior palatine arch, anterior pil …

anterior palatine foramen
Synonym for greater palatine foramen ... An opening in the posterolateral corner of the hard palate opposite the last molar tooth, marking the lower end of the pterygopalatine canal. ... Synonym: foramen palatinum majus, anterior palatine foramen. ... (05 Mar 2000) ...

anterior parietal artery
<anatomy, artery> The branch distributed to the anterior part of the parietal lobe. ... Synonym: arteria parietales anterior. ... (05 Mar 2000) ...

anterior parolfactory sulcus
A fissure marking the anterior border of the parolfactory area. ... Synonym: sulcus parolfactorius anterior. ... (05 Mar 2000) ...

anterior part
The portion of a structure that tlies most forward, or closest to the front surface relative to other parts; in human anatomy, the ventral portion of a structure. ... See: anterior part of anterior commissure of brain, anterior part of diaphragmatic surface of liver, anterior part of fornix of vagina. ... Synonym: pars anterior. ... (05 Mar 2000) ...

anterior part of fornix of vagina
The portion of the fornix of the vagina anterior to the uterine cervix. ... Synonym: pars anterior fornicis vaginae. ... (05 Mar 2000) ...

anterior part of pons
Synonym for ventral part of pons ... The large ventral part of the pons occupied by the nuclei pontis, traversed longitudinally by corticopontine, corticobulbar, and corticospinal fibres, and transversely by pontocerebellar fibres. Pontocerebellar fibres converging laterally form the middle cerebellar peduncle or brachium pontis. ... Synonym: pars ve …

anterior pelvic exenteration
Removal of the urinary bladder, lower parts of the ureter, vagina, uterus, adnexa, and adjacent lymph nodes; a urinary diversion is necessary. ... (05 Mar 2000) ...

anterior perforated substance
A region at the base of the brain through which numerous small branches of the anterior and middle cerebral arteries (lenticulostriate arteries) enter the depth of the cerebral hemisphere; it is bordered medially by the optic chasm and anterior half of the optic tract, rostrally and laterally by the lateral olfactory stria; its anteromedial part co …

anterior peroneal artery
See: perforating branches. ... (05 Mar 2000) ...

anterior pillar of fauces
Synonym for palatoglossal arch ... One of a pair of ridges or folds of mucous membrane passing from the soft palate to the side of the tongue; it encloses the palatoglossus muscle and forms anterior margin of the tonsillar fossa. Also demarcates oral cavity from isthmus of fauces. ... Synonym: arcus palatoglossus, anterior palatine arch, anterior pil …

anterior pillar of fornix
Synonym for column of fornix ... That part of the fornix that curves down in front of the thalamus and the interventricular foramen of Monro, then continues through the hypothalamus to the mamillary body; consisting primarily of fibres originating in the hippocampus and subiculum, the column of fornix is the direct continuation of the body of the fo …

anterior piriform gyrus
Synonym for prepiriform gyrus ... A gyrus covering deeply placed amygdaloid nucleus; concerned with olfactory function. ... Synonym: anterior piriform gyrus. ... (05 Mar 2000) ...

anterior pituitary gonadotropin
Any gonadotropin of hypophysial origin; formerly used to designate a single hormone, because it was thought that the anterior hypophysis secreted only one gonadotropin. ... Synonym: pituitary gonadotropic hormone. ... (05 Mar 2000) ...

anterior pituitary-like hormone
Synonym for chorionic gonadotropin ... A glycoprotein with a carbohydrate fraction composed of d-galactose and hexosamine, extracted from the urine of pregnant women and produced by the placental trophoblastic cells; its most important role appears to be stimulation, during the first trimester, of ovarian secretion of the oestrogen and progesterone …

anterior pole of eyeball
The centre of the corneal curvature of the eye. ... Synonym: polus anterior bulbi oculi. ... (05 Mar 2000) ...

anterior pole of lens
The central point on the anterior surface of the lens of the eye. ... Synonym: polus anterior lentis. ... (05 Mar 2000) ...

anterior pontomesencephalic vein
Synonym for vena pontomesencephalica anterior ... A vein in the midline of the interpeduncular fossa on the superior and anterior aspects of the pons; it communicates with the basal vein superiorly and the petrosal vein inferiorly. ... Synonym: anterior pontomesencephalic vein. ... (05 Mar 2000) ...

anterior primary division
Synonym for ventral primary ramus of spinal nerve ... <anatomy, nerve> The larger, anterolaterally-directed major terminal branch (with the dorsal primary ramus) of all 31 pairs of mixed spinal nerves, formed at the intervertebral foramen. Most ventral primary rami, especially those involved in the innervation of the limbs, participate in the …

anterior process of malleus
A slender spur running anteriorward from the neck of the malleus toward the petrotympanic fissure. ... Synonym: processus anterior mallei, Folli's process, follian process, long process of malleus, processus gracilis, processus ravii, Rau's process, Ravius' process, slender process of malleus. ... (05 Mar 2000) ...

anterior pyramid
Synonym for pyramid of medulla oblongata ... An elongated, white prominence on the ventral surface of the medulla oblongata on either side along the anterior median fissure, corresponding to the pyramidal tract. ... Synonym: pyramis medullae oblongatae, anterior column of medulla oblongata, anterior pyramid. ... (05 Mar 2000) ...

anterior pyramidal fasciculus
Synonym for anterior pyramidal tract ... Uncrossed fibres forming a small bundle in the pyramidal tract. ... See: pyramidal tract. ... Synonym: tractus corticospinalis anterior, tractus pyramidalis anterior, anterior corticospinal tract, anterior pyramidal fasciculus, direct pyramidal tract, fasciculus corticospinalis anterior, fasciculus pyramidalis …

anterior pyramidal tract
Uncrossed fibres forming a small bundle in the pyramidal tract. ... See: pyramidal tract. ... Synonym: tractus corticospinalis anterior, tractus pyramidalis anterior, anterior corticospinal tract, anterior pyramidal fasciculus, direct pyramidal tract, fasciculus corticospinalis anterior, fasciculus pyramidalis anterior, Turck's bundle, Turck's column …

anterior quadrigeminal body
Synonym for superior colliculus ... The paired, larger, rounded anterior eminence of the laminae of mesencephalic tectum; major afferent connections of the superficial layers are the retina and striate cortex; input to deep layers of the colliculus are polymodal. Its efferent connections are with the lower brainstem and spinal cord (tectobulbar trac …

anterior recess
A circumscript deepening of the interpeduncular fossa in the direction of the mamillary bodies. ... Synonym: recessus anterior. ... (05 Mar 2000) ...

anterior rectus muscle of head
Synonym for rectus capitis anterior ... <anatomy, muscle> Origin, transverse process and lateral mass of atlas; insertion, basilar process of occipital bone; action, turns and inclines head forward; nerve supply, ventral primary ramus of first and second cervical spinal nerve. ... Synonym: musculus rectus capitis anterior, anterior rectus muscl …

anterior region of arm
Area between deltoid region superiorly and anterior region of elbow inferiorly. ... Synonym: facies brachialis anterior, regio brachialis anterior, anterior surface of arm, facies anterior brachii. ... (05 Mar 2000) ...

anterior region of elbow
The area in front of the elbow, including the cubital fossa. ... Synonym: facies cubitalis anterior, regio cubitalis anterior, anterior cubital region, anterior surface of elbow. ... (05 Mar 2000) ...

anterior region of forearm
The area between the radial and ulnar borders of the forearm anteriorly. ... Synonym: facies antebrachialis anterior, regio antebrachialis anterior, anterior antebrachial region, anterior surface of forearm, facies anterior antebrachii. ... (05 Mar 2000) ...

anterior region of leg
The anterior surface of the inferior limb between the knee and the ankle. ... Synonym: facies cruralis anterior, regio cruralis anterior, anterior crural region, anterior surface of leg, facies anterior cruris. ... (05 Mar 2000) ...

anterior region of neck
Synonym for anterior triangle of neck ... The area of the neck bounded by the mandible, the anterior border of the sternocleidomastoid muscle, and the anterior midline of the neck; it is subdivided into carotid, muscular, submandibular, and submental triangles. ... Synonym: anterior region of neck, regio cervicalis anterior, trigonum cervicale anteri …

anterior region of thigh
The front of the thigh, including the femoral triangle. ... Synonym: facies femoralis anterior, anterior surface of thigh, regio femoralis anterior. ... (05 Mar 2000) ...

anterior rhinoscopy
Inspection of the anterior portion of the nasal cavity with or without the aid of a nasal speculum. ... (05 Mar 2000) ...

anterior rhizotomy
<procedure> Section of anterior spinal root. ... (05 Mar 2000) ...

anterior root
Synonym for ventral root ... The motor root of a spinal nerve. ... Synonym: radix anterior, radix motoria, anterior root, motor root, radix ventralis. ... (05 Mar 2000) ...

anterior sacrococcygeal ligament
Synonym for ventral sacrococcygeal ligament ... <anatomy> The continuation of the anterior longitudinal ligament uniting the sacrum and coccyx. ... Synonym: ligamentum sacrococcygeum anterius, anterior sacrococcygeal ligament. ... (05 Mar 2000) ...

anterior sacroiliac ligaments
The strong fibrous bands that reinforce the sacroiliac joint anteriorly. ... Synonym: ligamenta sacroiliaca anteriora, ventral sacroiliac ligaments. ... (05 Mar 2000) ...

anterior sacrosciatic ligament
Synonym for sacrospinous ligament ... <anatomy> The fibrous band that passes from the ischial spine to the sacrum and coccyx. ... Synonym: ligamentum sacrospinale, anterior sacrosciatic ligament, ligamentum sacrospinosum. ... (05 Mar 2000) ...

anterior scalene muscle
Synonym for scalenus anterior ... <anatomy, muscle> Origin, anterior tubercles of transverse processes of third to sixth cervical vertebrae; insertion, scalene tubercle of first rib; action, raises first rib; nerve supply, cervical plexus. ... Synonym: musculus scalenus anterior, anterior scalene muscle, musculus scalenus anticus. ... (05 Mar 20 …

anterior scleritis
Inflammation of the sclera adjacent to the cornea. ... (05 Mar 2000) ...

anterior sclerotomy
<procedure> Incision into the anterior chamber of the eye. ... (05 Mar 2000) ...

anterior scrotal nerves
The branches of the ilioinguinal nerve, distributed to the skin of the root of the penis, mons pubis, adjacent thigh and the anterior surface of the scrotum. ... Synonym: nervi scrotales anteriores. ... (05 Mar 2000) ...

anterior scrotal veins
Tributaries of the femoral or exteranl pudendal veins drainign the anterior aspect of the scrotum and the skin and dartos fascia of the shaft and base of the penis. ... Synonym: venae scrotales anteriores. ... (05 Mar 2000) ...

anterior segment
A delimited part or section of an organ or other structure which lies in front of or ventral to the other similar parts or sections. 1) segmentum anterius (hepar); the anterior segment of the right lobe of the liver. 2) segmentum anterius (pulmo dexter et sinister); [S 3]; the anterior segment of the superior lobe of the right and left lungs. 3) an …

anterior semicircular canals
Synonym for bony semicircular canals ... The three bony tubes in the labyrinth of the ear within which the membranous semicircular ducts are located; they lie in planes at right angles to each other and are known as anterior semicircular canal, posterior semicircular canal, and lateral semicircular canal. ... Synonym: canales semicirculares ossei. …

anterior serratus muscle
Synonym for serratus anterior ... <anatomy, muscle> Origin, from centre of lateral aspect of first eight to nine ribs; insertion, superior and inferior angles and intervening medial margin of scapula; action, rotates scapula and pulls it forward, elevates ribs; nerve supply, long thoracic from brachial plexus. ... Synonym: musculus serratus ant …

anterior sinuses
Synonym for anterior ethmoidal air cells ... The anterior group of air cells of the ethmoidal sinus's; each sinus communicates with the middle meatus of the nasal cavity. ... Synonym: sinus ethmoidales anteriores, anterior cells, anterior sinuses, cellulae anteriores. ... (05 Mar 2000) ...

anterior spinal artery
<anatomy, artery> Origin, intracranial part of vertebral; distribution, spinal cord and pia mater; anastomoses, spinal of intercostal and lumbar arteries. ... Synonym: arteria spinalis anterior. ... (05 Mar 2000) ...

anterior spinocerebellar tract
A bundle of fibres originating in the base of the posterior horn and zona intermedia throughout lumbosacral segments of the spinal cord, crossing to the opposite side and ascending in a peripheral position in the ventral half of the lateral funiculus. In its ascent through the rhombencephalon, the tract curves sharply dorsalward along the rostral b …

anterior spinothalamic tract
The more anterior or ventral part of the spinothalamic tract that is involved in tactile sensation. ... See: spinothalamic tract. ... Synonym: tractus spinothalamicus anterior, ventral spinothalamic tract. ... (05 Mar 2000) ...

anterior staphyloma
A bulging near the anterior pole of the eyeball. ... Synonym: corneal staphyloma. ... (05 Mar 2000) ...

anterior sternoclavicular ligament
<anatomy> A fibrous band that reinforces the sternoclavicular anteriorly. ... Synonym: ligamentum sternoclaviculare anterius. ... (05 Mar 2000) ...

anterior superior alveolar arteries
Origin, infraorbital artery within intraorbital canal; distribution, via anterior alveolar canals to upper incisors and canine teeth, mucus membrane of maxillary sinus. ... Synonym: arteriae alveolares superiores anteriores, anterior superior dental arteries. ... (05 Mar 2000) ...

anterior superior dental arteries
Synonym for anterior superior alveolar arteries ... Origin, infraorbital artery within intraorbital canal; distribution, via anterior alveolar canals to upper incisors and canine teeth, mucus membrane of maxillary sinus. ... Synonym: arteriae alveolares superiores anteriores, anterior superior dental arteries. ... (05 Mar 2000) ...

anterior superior iliac spine
The anterior extremity of the iliac crest, which provides attachment for the inguinal ligament and the sartorius muscle. ... Synonym: spina iliaca anterior superior. ... (05 Mar 2000) ...

anterior superior segment
Anterior superior segment of kidney. ... Synonym: segmentum anterius superius. ... (05 Mar 2000) ...

anterior supraclavicular nerve
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) ...

anterior surface
The surface of a structure or part of the body that faces forward. ... Synonym: facies anterior. ... (05 Mar 2000) ...

anterior surface of arm
Anterior articular surface of dens, the curved articular facet on the anterior aspect of the dens of the axis that articulates with the facet for the dens of the axis anterior arch of the atlas. ... Synonym: facies articularis anterior dentis. ... (05 Mar 2000) ...

anterior surface of cornea
The external surface of the cornea. ... Synonym: facies anterior corneae. ... (05 Mar 2000) ...

anterior surface of elbow
Synonym for anterior region of elbow ... The area in front of the elbow, including the cubital fossa. ... Synonym: facies cubitalis anterior, regio cubitalis anterior, anterior cubital region, anterior surface of elbow. ... (05 Mar 2000) ...

anterior surface of eyelids
Synonym for facies anterior palpebrarum ... anterior surface of eyelids ...

anterior surface of forearm
Synonym: anterior region of forearm. ... (05 Mar 2000) ...

anterior surface of iris
The anterior surface of the iris of the eye. ... Synonym: facies anterior iridis. ... (05 Mar 2000) ...

anterior surface of kidney
The anterior surface of the kidney. ... Synonym: facies anterior renis. ... (05 Mar 2000) ...

anterior surface of lens
The anterior surface of the lens of the eye. ... Synonym: facies anterior lentis. ... (05 Mar 2000) ...

anterior surface of lower limb
The anterior surface of the inferior limb. ... Synonym: facies anterior membri inferioris. ... (05 Mar 2000) ...

anterior surface of maxilla
The surface of the maxilla below the orbit and lateral to the nasal aperture. ... Synonym: facies anterior corporis maxillae. ... (05 Mar 2000) ...

anterior surface of pancreas
The anterior surface of the pancreas. ... Synonym: facies anterior pancreatis. ... (05 Mar 2000) ...

anterior surface of patella
The anterior surface of the patella. ... Synonym: facies anterior patellae. ... (05 Mar 2000) ...

anterior surface of prostate
The anterior surface of the prostate. ... Synonym: facies anterior prostatae. ... (05 Mar 2000) ...

anterior surface of radius
The anterior surface of the radius. ... Synonym: facies anterior radii. ... (05 Mar 2000) ...

anterior surface of thigh
Synonym for anterior region of thigh ... The front of the thigh, including the femoral triangle. ... Synonym: facies femoralis anterior, anterior surface of thigh, regio femoralis anterior. ... (05 Mar 2000) ...

anterior surface of ulna
The anterior surface of the ulna. ... Synonym: facies anterior ulnae. ... (05 Mar 2000) ...

anterior symblepharon
Union between the lid and eyeball by a fibrous band not involving the fornix. ... (05 Mar 2000) ...

anterior synechia
Adhesion of the iris to the cornea. ... (05 Mar 2000) ...

anterior talofibular ligament
<anatomy> The band of fibres that extends from the lateral malleolus to the neck of the talus. ... Synonym: ligamentum talofibulare anterius. ... (05 Mar 2000) ...

anterior talotibial ligament
Synonym for anterior tibiotalar ligament ... <anatomy> The part of the medial or deltoid ligament that extends from the medial malleolus to the neck of the talus. ... Synonym: pars tibiotalaris anterior ligamenti medialis, anterior talotibial ligament, anterior tibiotalar part of deltoid ligament, ligamentum medialis, ligamentum talotibiale ant …

anterior teeth
<dentistry> Your centrals, laterals, and cuspids. These are the teeth in the front of your mouth. ... (08 Jan 1998) ...

anterior temporal artery
<anatomy, artery> A branch of the insular part of the middle cerebral artery distributed to the cortex of the anterior part of the temporal lobe. ... Synonym: arteria temporalis anterior. ... (05 Mar 2000) ...

anterior thalamic radiations
Radiations formed by fibres interconnecting, via the anterior limb of the internal capsule, the anterior and medial thalamic nuclei and the cerebral cortex of the frontal lobe (excluding the precentral gyrus bordering on the central sulcus). ... (05 Mar 2000) ...

anterior tibial artery
<anatomy, artery> Origin, popliteal; branches, posterior and anterior tibial recurrent, lateral and medial anterior malleolar, dorsalis pedis, lateral tarsal, medial tarsal, arcuate, dorsal metatarsal, and dorsal digital. ... Synonym: arteria tibialis anterior. ... (05 Mar 2000) ...

anterior tibial bursa
Synonym for subtendinous bursa of the tibialis anterior muscle ... <anatomy> The small bursa between the medial surface of the medial cuneiform bone and the tendon of the tibialis anterior. ... Synonym: bursa subtendinea musculi tibialis anterioris, anterior tibial bursa. ... (05 Mar 2000) ...

anterior tibial lymph node
A small inconstant lymph node in front of the interosseous membrane along the upper part of the anterior tibial vessels. ... Synonym: nodus tibialis anterior, anterior tibial node. ... (05 Mar 2000) ...

anterior tibial muscle
Synonym for tibialis anterior ... <anatomy, muscle> Origin, upper two-thirds of lateral surface of tibia, interosseous membrane, and intermuscular septum; insertion, medial cuneiform and base of first metatarsal; action, dorsiflexion and inversion of foot; nerve supply, deep peroneal. ... Synonym: musculus tibialis anterior, anterior tibial mus …

anterior tibial nerve
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 …

anterior tibial node
Synonym for anterior tibial lymph node ... A small inconstant lymph node in front of the interosseous membrane along the upper part of the anterior tibial vessels. ... Synonym: nodus tibialis anterior, anterior tibial node. ... (05 Mar 2000) ...

anterior tibial recurrent artery
<anatomy, artery> A branch of the anterior tibial artery which ascends to supply the front and sides of the knee joint, thus contributing to the articular network of the knee. ... Synonym: arteria recurrens tibialis anterior. ... (05 Mar 2000) ...

anterior tibial veins
The venae comitantes of the anterior tibial artery which empty into the popliteal vein. ... Synonym: venae tibiales anteriores. ... (05 Mar 2000) ...

anterior tibiofibular ligament
<anatomy> The ligament that binds the anterior aspect of the tibiofibular syndesmosis. ... Synonym: ligamentum tibiofibulare anterius. ... (05 Mar 2000) ...