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

polyvinyl alcohol oxidase
<enzyme> Membrane-bound enzyme in pseudomonas sp.; leads to formation of hydrogen peroxide; does not use pyrroloquinoline quinone ... Registry number: EC 1.1.3.- ... (26 Jun 1999) ...

polyvinyl chloride
<chemical> Chloroethene homopolymer. A polyvinyl resin used extensively in the manufacture of plastics, including medical devices, tubing, and other packaging. It is also used as a rubber substitute. Residues are present in human body tissues. ... Chemical name: Ethene, chloro-, homopolymer ... (12 Dec 1998) ...

polyvinylpyridine n-oxide
<chemical> Poly-2-vinylpyridine-n-oxide. Inhibits the cytotoxic action of quartz and is reported to have delayed the development of experimental silicosis in rats. ... Chemical name: Pyridine, 2-ethenyl-, 1-oxide, homopolymer ... (12 Dec 1998) ...

polyvinylpyrrolidone
<chemical> Polymer used to bind phenols in plant homogenates and hence to protect other molecules, especially enzymes, from inactivation by phenols. Also occasionally used to produce viscous media for gradient centrifugation. ... (18 Nov 1997) ...

polyvinylpyrrolidone-iodine complex
Synonym for povidone-iodine ... <chemical> A water soluble complex of iodine with polyvinylpyrrolidone. Applied as an antiseptic in the form of solutions or ointments, it releases iodine. Used in cleansing and disinfecting the skin, preparing the skin preoperatively, and treating infections susceptible to iodine. ... 1-ethenyl-2-pyrrolidone hom …

polyzoic
Segmented body form, as in the higher tapeworms, subclass Cestoda. ... See: strobila, monozoic. ... (05 Mar 2000) ...

polyzygotic
Synonym: polyovulatory. ... Origin: poly-+ G. Zygotos, yoked ... (05 Mar 2000) ...

polyzygotic twins
Twin's resulting from fertilization of more than two ova discharged in a single ovulating cycle. ... Siamese twins, originally, a much publicised conjoined pair of twin's (xiphopagus) from Siam in the 19th century; this term has since come into general lay usage for any type of conjoined twin's, but is incorrect. ... (05 Mar 2000) ...

pomade acne
Acne commonly found on the forehead and temples of negro males after prolonged and repetitious application of hair creams. ... (05 Mar 2000) ...

POMC
<abbreviation> Pro-opiomelanocortin. ... (05 Mar 2000) ...

pome
<botany> A fleshy (false) fruit, formed from an inferior ovary, in which the receptacle or hypanthium has enlarged to enclose the true fruit. ... (09 Oct 1997) ...

pomegranate
1. <botany> The fruit of the tree Punica Granatum; also, the tree itself (see Balaustine), which is native in the Orient, but is successfully cultivated in many warm countries, and as a house plant in colder climates. The fruit is as large as an orange, and has a hard rind containing many rather large seeds, each one separately covered with c …

Pomeroy
Ralph H., U.S. Obstetrician-gynecologist, 1867-1925. ... See: Pomeroy's operation. ... (05 Mar 2000) ...

Pomeroy's operation
Excision of a ligated portion of the fallopian tubes. ... (05 Mar 2000) ...

pommel
A knob or ball; an object resembling a ball in form; as: ... The knob on the hilt of a sword. ... The knob or protuberant part of a saddlebow. ... The top (of the head). ... A knob forming the finial of a turret or pavilion. ... Origin: OE. Pomel, OF. Pomel, F. Pommeau, LL. Pomellus, fr. L. Pomum fruit, LL. Also, an apple. See Pome. ... Source: Websters …

pomp
1. A procession distinguished by ostentation and splendor; a pageant. 'All the pomps of a Roman triumph.' ... 2. Show of magnificence; parade; display; power. ... Synonym: Display, parade, pageant, pageantry, splendor, state, magnificence, ostentation, grandeur, pride. ... Origin: OE. Pompe, F. Pompe, L. Pompa, fr. Gr. A sending, a solemn procession, …

pompano
<zoology> ... 1. Any one of several species of marine fishes of the genus Trachynotus, of which four species are found on the Atlantic coast of the United States; called also palometa. ... They have a brilliant silvery or golden luster, and are highly esteemed as food fishes. The round pompano (T. Thomboides) and the Carolina pompano (T. Caroli …

Pompe disease
<disease> Severe glycogen storage disease, also called glycogenosis II, is caused by deficiency of alpha-1,4-glucosidase, the lysosomal enzyme responsible for glycogen hydrolysis. ... Even though the nonlysosomal glycogenolytic system is normal, glycogen still accumulates in the lysosomes in almost all tissues, but produces especially severe e …

Pompe, J
<person> 20th century Dutch physician. ... See: Pompe's disease. ... (05 Mar 2000) ...

Pompe's disease
Synonym for type 2 glycogenosis ... Glycogenosis due to lysosomal alpha-1,4-glucosidase deficiency, resulting in accumulation of excessive amounts of glycogen of normal chemical structure in heart, muscle, liver, and nervous system. ... Synonym: generalised glycogenosis, Pompe's disease. ... (05 Mar 2000) ...

pomphus
A wheal or blister. ... Origin: G. Pomphos, blister ... (05 Mar 2000) ...

ponceau D xylidine
<chemical> A monoazo acid dye originally employed as a red histological counterstain in Masson's trichrome stain. ... (05 Mar 2000) ...

pond
<ecology> A body of standing water which is smaller than a lake, often artifically formed. ... (09 Oct 1997) ...

pond fracture
A circular depressed skull fracture. ... (05 Mar 2000) ...

ponded
<ecology> A condition in which free water covers the soil surface, for example: in a closed depression, the water is removed only by percolation, evaporation or transpiration. ... (09 Oct 1997) ...

ponderal index
Cube root of body weight times 100 divided by height in cm. ... (05 Mar 2000) ...

ponderous
1. Very heavy; weighty; as, a ponderous shield; a ponderous load; the ponderous elephant. 'The sepulcher . . . Hath oped his ponderous and marble jaws.' (Shak) ... 2. Important; momentous; forcible. 'Your more ponderous and settled project.' ... 3. Heavy; dull; wanting; lightless or spirit; as, a ponderous style; a ponderous joke. ... <chemical> …

pondfish
<zoology> Any one of numerous species of American fresh water fishes belonging to the family Centrarchidae; called also pond perch, and sunfish. ... The common pondfish of new England (Lepomis gibbosus) is called also bream, pumpkin seed, and sunny. See Sunfish. The long-eared pondfish (Lepomis auritus) of the Eastern United States is distingu …

Ponfick
Emil, German pathologist, 1844-1913. ... See: Ponfick's shadow. ... (05 Mar 2000) ...

Ponfick's shadow
Synonym for achromocyte ... A hypochromic, crescent-shaped erythrocyte, probably resulting from artifactual rupture of a red cell with loss of haemoglobin. ... Synonym: achromacyte, achromatocyte, ghost corpuscle, phantom corpuscle, Ponfick's shadow, shadow corpuscle, shadow, Traube's corpuscle. ... Origin: G. A-priv. + chroma, colour, + kytos, hollow …

pongidae
A family of primates consisting of three genera: pongo (pongo pygmaeus), pan (pan troglodytes and pan paniscus), and gorilla (gorilla gorilla). They inhabit forests in southeast asia, equatorial africa, sumatra, and borneo. The members of this family are the closest living relatives of man. ... (12 Dec 1998) ...

pongo pygmaeus
A single genus and species of orangutan belonging to the pongidae family and found only in lowland forests of sumatra and borneo. Among the primates, the orangutan is second in size only to the gorilla. ... (12 Dec 1998) ...

pono-
Bodily exertion, fatigue, overwork, pain. ... Origin: G. Ponos, toil, fatigue, pain ... (05 Mar 2000) ...

ponograph
An instrument for recording graphically the progressive fatigue of a contracting muscle. ... Origin: pono-+ G. Grapho, to write ... (05 Mar 2000) ...

ponopalmosis
Rarely used term for a condition of irritable heart in which palpitation is excited by slight exertion. ... Origin: pono-+ G. Palmos, palpitation ... (05 Mar 2000) ...

ponophobia
<psychology> Morbid fear of overwork or of becoming fatigued. ... Origin: pono-+ G. Phobos, fear ... (05 Mar 2000) ...

ponos
A disease occurring in young children in certain of the islands of Greece, characterised by enlargement of the spleen, haemorrhages, fever, and cachexia; possibly the infantile form of visceral leishmaniasis. ... Origin: G. Toil, fatigue, pain ... (05 Mar 2000) ...

pons
<anatomy> A rounded eminence off the ventral surface of the brainstem. The origins of cranial nerves V, VI, VII and VIII are at the border of the pons. ... (27 Sep 1997) ...

pons cerebelli
Synonym for pons ... <anatomy> A rounded eminence off the ventral surface of the brainstem. The origins of cranial nerves V, VI, VII and VIII are at the border of the pons. ... (27 Sep 1997) ...

pons hepatis
A bridge of liver tissue that sometimes overlaps the fossa of the inferior vena cava, converting it into a canal. ... Synonym: ponticulus hepatis. ... (05 Mar 2000) ...

pons varolii
Synonym for pons ... <anatomy> A rounded eminence off the ventral surface of the brainstem. The origins of cranial nerves V, VI, VII and VIII are at the border of the pons. ... (27 Sep 1997) ...

pontes
Plural of pons. ... Origin: L. ... (05 Mar 2000) ...

pontic
An artificial tooth on a fixed partial denture; it replaces the lost natural tooth, restores its functions, and usually occupies the space previously occupied by the natural crown. ... Synonym: dummy. ... (05 Mar 2000) ...

ponticulin
<protein> Developmentally regulated 17 kD transmembrane glycoprotein from Dictyostelium that regulates actin binding and nucleation. Preferentially located at actin rich regions such as sites of cell adhesion. Analogue found in human neutrophils. ... (18 Nov 1997) ...

ponticulus
A vertical ridge on the eminentia conchae giving insertion to the auricularis posterior muscle. ... Origin: L. Dim. Of pons, bridge ... (05 Mar 2000) ...

ponticulus hepatis
Synonym for pons hepatis ... A bridge of liver tissue that sometimes overlaps the fossa of the inferior vena cava, converting it into a canal. ... Synonym: ponticulus hepatis. ... (05 Mar 2000) ...

ponticulus nasi
Bridge of the nose. ... (05 Mar 2000) ...

ponticulus promontorii
subiculum promontorii ...

pontiff
A high priest. Especially: ... One of the sacred college, in ancient Rome, which had the supreme jurisdiction over all matters of religion, at the head of which was the Pontifex Maximus. ... The pope. ... Origin: F. Pontife, L. Pontifex, -ficis; pons, pontis, a bridge (perhaps originally, a way, path) + facere = to make. Cf. Pontoon. ... Source: Webste …

pontine angle
Synonym for cerebellopontine angle ... <anatomy, oncology> The angle between the cerebellum and the pons, a common site for the growth of acoustic neuromas. ... (16 Dec 1997) ...

pontine angle tumour
A tumour in the angle formed by the cerebellum and the lateral pons, often refers to an acoustic schwannoma. ... (05 Mar 2000) ...

pontine arteries
Several small branches of the basilar artery distributed to the pons. ... Synonym: arteriae pontis, rami ad pontem. ... (05 Mar 2000) ...

pontine cistern
An upward continuation of the subarachnoid space of the spinal cord, continuous about the medulla with the cerebellomedullary cisternl; may be divided into inferior (containing roots of C.N. 9-12) and superior (containing root of C.N. 5, 7, 8) parts. ... Synonym: cisterna pontis. ... (05 Mar 2000) ...

pontine flexure
The dorsally concave curvature of the rhombencephalon in the embryo; appearance indicates division of rhombencephalon into myelencephalon and metencephalon. ... Synonym: basicranial flexure, transverse rhombencephalic flexure. ... (05 Mar 2000) ...

pontine gray matter
Synonym for pontine nuclei ... The massive gray matter filling the basilar pons. The nuclei are of fairly homogeneous architecture and project to the cortex of the contralateral cerebellar hemisphere by way of the middle cerebellar peduncle. Their main afferents come from the entire extent of the cerebral neocortex by way of the longitudinal pontine …

pontine haemorrhage
Haemorrhage occurring in the substance of the pons, typically in hypertensive patients. ... (05 Mar 2000) ...

pontine nuclei
The massive gray matter filling the basilar pons. The nuclei are of fairly homogeneous architecture and project to the cortex of the contralateral cerebellar hemisphere by way of the middle cerebellar peduncle. Their main afferents come from the entire extent of the cerebral neocortex by way of the longitudinal pontine bundles (corticopontine fibre …

pontine veins
Several veins running transversely on the pons to join the petrosal vein. ... Synonym: venae pontis, veins of pons. ... (05 Mar 2000) ...

pontobulbar body
A collection of nerve cells in the lower part of the medulla oblongata forming a ridge which crosses the restiform body obliquely. ... Synonym: corpus pontobulbare. ... (05 Mar 2000) ...

pontocerebellar recess
Synonym for cerebellopontine recess ... The angle formed at the junction of cerebellum, pons, and medulla. ... Synonym: pontocerebellar recess. ... (05 Mar 2000) ...

pontomedullary groove
The transverse groove on the ventral aspect of the brainstem that demarcates the pons from the medulla oblongata; from its bottom the sixth, seventh, and eighth cranial nerves emerge. ... (05 Mar 2000) ...

pontoon
1. A wooden flat-bottomed boat, a metallic cylinder, or a frame covered with canvas, India rubber, etc, forming a portable float, used in building bridges quickly for the passage of troops. ... 2. A low, flat vessel, resembling a barge, furnished with cranes, capstans, and other machinery, used in careening ships, raising weights, drawing piles, etc …

pony
Origin: Gael. Ponaidh. ... 1. A small horse. ... 2. Twenty-five pounds sterling. ... 3. A translation or a key used to avoid study in getting lessons; a crib. ... 4. A small glass of beer. Pony chaise, a light, low chaise, drawn by a pony or a pair of ponies. Pony engine, a small locomotive for switching cars from one track to another. Pony truck, a tr …

pool
1. A small and rather deep collection of (usually) fresh water, as one supplied by a spring, or occurring in the course of a stream; a reservoir for water; as, the pools of Solomon. 'Charity will hardly water the ground where it must first fill a pool.' (Bacon) 'The sleepy pool above the dam.' (Tennyson) ... 2. A small body of standing or stagnant w …

Pool-Schlesinger sign
Synonym for Pool's phenomenon ... In tetany, spasm both of the extensor muscles of the knee and of the calf muscles when the extended leg is flexed at the hip. ... Synonym: leg phenomenon, Pool-Schlesinger sign, Schlesinger's sign. ... In tetany, contraction of the arm muscles following the stretching of the brachial plexus by elevation of the arm abo …

Pool, Eugene
<person> U.S. Surgeon, 1874-1949. ... See: Pool's phenomenon, Pool-Schlesinger sign. ... (05 Mar 2000) ...

Pool's phenomenon
In tetany, spasm both of the extensor muscles of the knee and of the calf muscles when the extended leg is flexed at the hip. ... Synonym: leg phenomenon, Pool-Schlesinger sign, Schlesinger's sign. ... In tetany, contraction of the arm muscles following the stretching of the brachial plexus by elevation of the arm above the head with the forearm exte …

pooled serum
The mixed serum from a number of individuals. ... (05 Mar 2000) ...

poor
1. Destitute of property; wanting in material riches or goods; needy; indigent. ... It is often synonymous with indigent and with necessitous denoting extreme want. It is also applied to persons who are not entirely destitute of property, but who are not rich; as, a poor man or woman; poor people. ... 2. So completely destitute of property as to be e …

poorly
1. In a poor manner or condition; without plenty, or sufficiency, or suitable provision for comfort; as, to live poorly. ... 2. With little or no success; indifferently; with little profit or advantage; as, to do poorly in business. ... 3. Meanly; without spirit. 'Nor is their courage or their wealth so low, That from his wars they poorly would retir …

poorly compliant bladder
A bladder that has high pressure at low volumes in the absence of detrusor activity. ... (05 Mar 2000) ...

poorly crystalline hydroxyapatite
amorphous hydroxyapatite ...

poorly drained soil
<ecology> A condition in which water is removed form the soil so slowly that the soil is saturated periodically during the growing season or remains wet for long periods greater than 7 days. ... (09 Oct 1997) ...

pop
1. A small, sharp, quick explosive sound or report; as, to go off with a pop. ... 2. An unintoxicating beverage which expels the cork with a pop from the bottle containing it; as, ginger pop; lemon pop, etc. ... 3. <zoology> The European redwing. Pop corn. Corn, or maize, of peculiar excellence for popping; especially, a kind the grains of whic …

pope
1. Any ecclesiastic, especially. A bishop. ... 2. The bishop of Rome, the head of the Roman Catholic Church. See Note under Cardinal. ... 3. A parish priest, or a chaplain, of the Greek Church. ... 4. <zoology> A fish; the ruff. Pope Joan, a game at cards played on a round board with compartments. Pope's eye, the gland surrounded with fat in the …

popinjay
1. <zoology> The green woodpecker. A parrot. 'The pye and popyngay speak they know not what.' (Tyndale) ... 2. A target in the form of a parrot. ... 3. A trifling, chattering, fop or coxcomb. 'To be so pestered with a popinjay.' ... Origin: OE. Popingay, papejay, OF. Papegai, papegaut; cf. Pr. Papagai, Sp. & Pg. Papagayo, It. Pappagallo, LGr …

poplar
<botany> ... 1. Any tree of the genus Populus; also, the timber, which is soft, and capable of many uses. ... The aspen poplar is Populus tremula and P. Tremuloides; Balsam poplar is P. Balsamifera; Lombardy poplar (P. Dilatata) is a tall, spiry tree; white poplar is Populus alba. ... 2. The timber of the tulip tree; called also white poplar. …

poples
Synonym: popliteal fossa. ... See: popliteal fossa. ... Origin: L. The ham of the knee ... (05 Mar 2000) ...

popliteal arch
Synonym for arcuate popliteal ligament ... <anatomy> A broad fibrous band attached above to the lateral condyle of the femur and passing medially and downward, blending with the posterior part of the fibrous capsule of the knee joint, arching over the tendon of the popliteus muscle. ... Synonym: ligamentum popliteum arcuatum, popliteal arch, po …

popliteal artery
<anatomy, artery> Anterior tibial a., comes off 1st, goes lateralLY, peroneal a., lateral (as expected), posterior tibial a., medial ... (12 Dec 1998) ...

popliteal communicating nerve
Synonym for medial sural cutaneous nerve ... <anatomy, nerve> Arises from the tibial in the popliteal space, passes down the calf between the two heads of the gastrocnemius and unites in the middle of the leg with the communicating branch of the common peroneal to form the sural nerve, distributed to the skin of the distal and lateral surfaces …

popliteal cyst
A synovial cyst in the popliteal space arising from the semimembranous bursa or the knee joint. ... (12 Dec 1998) ...

popliteal entrapment syndrome
<syndrome> A crush syndrome resulting from compression of the popliteal artery and impairment of its blood flow by structures of the popliteal space. ... (05 Mar 2000) ...

popliteal fascia
The fascia that covers the popliteal fossa, continuous with fascia lata superiorly and crural fascia inferiorly. ... (05 Mar 2000) ...

popliteal fossa
The diamond-shaped space posterior to the knee joint bounded superficially by the diverging biceps femoris and semimembranosus muscles above and inferiorly by the two heads of the gastrocnemius muscle; deeply, the fossa is bound superiorly by the diverging supracondylar lines of the femur and the soleal line of the tibia inferiorly. Contents: tibia …

popliteal groove
A groove on the lateral condyle of the femur between the epicondyle and the articular margin. Its anterior end gives origin to the popliteus muscle; its posterior end lodges the tendon of the muscle when the knee is fully flexed. ... Synonym: sulcus popliteus. ... (05 Mar 2000) ...

popliteal line
Synonym for soleal line ... A ridge which extends obliquely downward and medially across the back of the tibia from the fibular articular facet; it gives origin to the soleus muscle. ... Synonym: linea musculi solei, line for soleus muscle, linea poplitea, popliteal line. ... (05 Mar 2000) ...

popliteal muscle
Synonym for popliteus ... <anatomy, muscle> Origin, lateral condyle of femur; insertion, posterior surface of tibia above oblique line; action, from the fully extended and 'locked' position, rotates the femur medially, on the fixed (planted) tibial plateau about 5°, 'unlocking' the knee to enable flexion to occur; nerve supply, tibial. ... Syno …

popliteal notch
Synonym for intercondylar fossa ... The deep fossa between the femoral condyles in which the cruciate ligaments are attached. ... Synonym: fossa intercondylaris, intercondyloid fossa, intercondylic fossa, intercondyloid notch, popliteal notch. ... (05 Mar 2000) ...

popliteal plane of femur
Synonym for popliteal surface of femur ... The posterior surface of the lower end of the femur between the diverging lips of the linea aspera. ... Synonym: facies poplitea femoris, planum popliteum, popliteal plane of femur. ... (05 Mar 2000) ...

popliteal plexus
Plexus popliteus, a nerve plexus surrounding the popliteal artery, derived from the femoral plexus. ... (05 Mar 2000) ...

popliteal pterygium syndrome
<syndrome> An inherited condition with a web behind the knee. (a pterygium is a winglike triangular membrane.) ... (12 Dec 1998) ...

popliteal region
Synonym for popliteal fossa ... The diamond-shaped space posterior to the knee joint bounded superficially by the diverging biceps femoris and semimembranosus muscles above and inferiorly by the two heads of the gastrocnemius muscle; deeply, the fossa is bound superiorly by the diverging supracondylar lines of the femur and the soleal line of the ti …

popliteal space
Synonym for popliteal fossa ... The diamond-shaped space posterior to the knee joint bounded superficially by the diverging biceps femoris and semimembranosus muscles above and inferiorly by the two heads of the gastrocnemius muscle; deeply, the fossa is bound superiorly by the diverging supracondylar lines of the femur and the soleal line of the ti …

popliteal surface of femur
The posterior surface of the lower end of the femur between the diverging lips of the linea aspera. ... Synonym: facies poplitea femoris, planum popliteum, popliteal plane of femur. ... (05 Mar 2000) ...

popliteal vein
<anatomy, vein> The vein formed by the union of the anterior and posterior tibial veins; it courses through the popliteal space and becomes the femoral vein. ... (12 Dec 1998) ...

popliteus
<anatomy, muscle> Origin, lateral condyle of femur; insertion, posterior surface of tibia above oblique line; action, from the fully extended and 'locked' position, rotates the femur medially, on the fixed (planted) tibial plateau about 5°, 'unlocking' the knee to enable flexion to occur; nerve supply, tibial. ... Synonym: musculus popliteus, …

POPOP
<abbreviation> 1,4-bis(5-phenyloxazol-2-yl)benzene, a liquid scintillator. ... (05 Mar 2000) ...

poppy
<botany> Any plant or species of the genus Papaver, herbs with showy polypetalous flowers and a milky juice. From one species (Papaver somniferum) opium is obtained, though all the species contain it to some extent; also, a flower of the plant. California poppy, a species of Silene (S. Inflata). See Catchfly. ... Origin: OE. Popy, AS. Popig, L …

poppy oil
A fixed (drying) oil expressed from the seed of Papaver somniferum; sometimes used in the preparation of liniments and as a solvent of iodine in iodised oil. ... (05 Mar 2000) ...