| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
|---|---|
| PPA | palpation, percussion, auscultation; pepsin A; phenylpropanolamine; phenylpyruvic acid; Pittsburgh p... |
| CAV | congenital absence of vagina; congenital adrenal virilism; constant angular velocity; croup-associat... |
| CC | calcaneal-cuboid; calcium cyclamate; cardiac catheterization; cardiac contusion; cardiac cycle; card... |
| CHA | Canadian Hospital Association; Catholic Health Association; Chinese hamster; chronic hemolytic anemi... |
| Bjork-Shiley valve | A low profile tilting disc mechanical heart valve. (05 Mar 2000) |
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| Bochdalek's valve | A fold of mucous membrane in the lacrimal canaliculus at the lacrimal punctum. Synonym: Foltz' valvule. (05 Mar 2000) |
| Braune's valve | A fold of mucous membrane at the junction of the oesophagus with the stomach. (05 Mar 2000) |
| cardiac valve prosthesis | See: valve. (05 Mar 2000) |
| valve | A device that controls the flow of a fluid through a pipe. One shell of a double shelled mollusc such as a clam or oyster. In botany terminology, a portion of an organ that has fragmented, of a capsule, the teeth like portions into which the dehiscing part of the pericarp splits at maturity. (09 Oct 1997) |
| valve of coronary sinus | A delicate fold of endocardium at the opening of the coronary sinus into the right atrium. Synonym: valvula sinus coronarii, coronary valve, thebesian valve. (05 Mar 2000) |
| valve of foramen ovale | A fold projecting into the left atrium from the margin of the foramen ovale in the foetus; when, with beginning inspiration, the blood pressure within the left atrium increases, the valve closes and its edges become adherent to the margin of the foramen ovale, occluding it. Synonym: valvula foraminis ovalis, falx septi, valve of oval foramen. (05 Mar 2000) |
| valve of inferior vena cava | An endocardial fold extending from the anterior inferior margin of the inferior vena cava to the anterior part of the limbus fossa ovalis. Synonym: valvula venae cavae inferioris, caval valve, eustachian valve, sylvian valve. (05 Mar 2000) |
| valve of navicular fossa | A fold of mucous membrane sometimes found in the root of the navicular fossa of the urethra. Synonym: valvula fossae navicularis, Guerin's fold, Guerin's valve. (05 Mar 2000) |
| valve of oval foramen | A fold projecting into the left atrium from the margin of the foramen ovale in the foetus; when, with beginning inspiration, the blood pressure within the left atrium increases, the valve closes and its edges become adherent to the margin of the foramen ovale, occluding it. Synonym: valvula foraminis ovalis, falx septi, valve of oval foramen. (05 Mar 2000) |
| valve of Varolius | The bilabial prominence of the terminal ileum into the large intestine at the caecocolic junction as seen in cadavers; in the living individual it appears as a truncated cone with a star-shaped orifice. Synonym: valva ileocaecalis, Bauhin's valve, ileocaecal eminence, ileocolic valve, Tulp's valve, Tulpius' valve, valve of Varolius. (05 Mar 2000) |
| valve of vermiform appendix | A fold of mucous membrane, simulating a valve, sometimes found at the origin of the vermiform appendix. Synonym: Gerlach's valve, valvula processus vermiformis. (05 Mar 2000) |
| valve of Vieussens | A prominent valve in the great cardiac vein where it turns around the obtuse margin to become the coronary sinus. (05 Mar 2000) |
| valve-shell | <zoology> Any fresh water gastropod of the genus Valvata. Source: Websters Dictionary (01 Mar 1998) |
| parachute mitral valve | Congenital deformity of the mitral valve characterised by the presence of a single papillary muscle from which the chordae of both valve leaflets divide; thus the resemblance to a parachute; the condition often produces a stenosis as the combined result of the tugging action of the chordae on and the subsequent narrowing between the leaflets. Synonym: parachute deformity. (05 Mar 2000) |