| PCCM | pediatric critical care medicine; primary care case management; primary care case manager |
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| PCP | parachlorophenate; patient care plan; pentachlorophenol; 1-(1-phenylcyclohexyl)piperidine; periphera... |
| PH | parathyroid hormone; partial hepatectomy; partial hysterectomy; passive hemagglutination; past histo... |
| PHC | personal health costs; posthospital care; premolar hypodontia, hyperhidrosis, [premature] canities [... |
| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
| egg-bird | <zoology> A species of tern, especially. The sooty tern (Sterna fuliginosa) of the West Indies. In the Bahama Islands the name is applied to the tropic bird, Phaethon flavirostris. Source: Websters Dictionary (01 Mar 1998) |
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| egg cell | The unfertilised ovum. (05 Mar 2000) |
| egg cluster | One of the clumps of cells resulting from the breaking up of the gonadal cords in the ovarian cortex; these clumps later develop into primary ovarian follicles. (05 Mar 2000) |
| egg coat | A layer of glycoproteins and other stuff which surrounds an egg (ovum), just outside of the egg's cell membrane. The coat protects the egg, and for organisms which practice external fertilization (fertilization outside of the parents' bodies) it can help prevent the sperm of other species from entering the egg. For the eggs of mammals, the egg coat is called the zona pellucida and for sea urchins (a popular study organism for developmental biologists) it is called the vitelline layer. (09 Oct 1997) |
| egg donation | Donation of an ovum by one woman to another who attempts to become pregnant by in vitro fertilization. (09 Oct 1997) |
| egg drop syndrome | <syndrome> A disease of chickens caused by an adenovirus and characterised by production of soft-shelled and shell-less eggs in apparently healthy birds. (05 Mar 2000) |
| egg-on-its-side heart | <radiology> Marked cardiomegaly, typical of transposition of the great vessels (TGV), also called apple on a string (12 Dec 1998) |
| egg polarity gene | A gene whose product distribution in the egg determines the anterior posterior axis of subsequent development. Best characterised in Drosophila: See: bicoid, maternal effect gene. (18 Nov 1997) |
| egg proteins | Proteins which are found in eggs or ova from any species. (12 Dec 1998) |
| egg proteins, dietary | Proteins found in eggs which are consumed as a food. (12 Dec 1998) |
| egg shell nail | Thinning of nails resulting in bending and breaking of the free edge, with longitudinal fissures. Synonym: egg shell nail. Origin: hapalo-+ G. Onyx (onych-), nail (05 Mar 2000) |
| egg squash | A variety of squash with small egg-shaped fruit. Source: Websters Dictionary (01 Mar 1998) |
| egg white | The white of an egg, especially a chicken's egg, used in cooking. It contains albumin. (12 Dec 1998) |
| egg-white injury | <syndrome> Dermatitis, loss of hair, and loss of muscle coordination, produced in rats by diets containing large amounts of raw egg white, the avidin of which combines with biotin producing a deficiency of the latter. Synonym: egg-white injury. (05 Mar 2000) |
| egg-white syndrome | <syndrome> Dermatitis, loss of hair, and loss of muscle coordination, produced in rats by diets containing large amounts of raw egg white, the avidin of which combines with biotin producing a deficiency of the latter. Synonym: egg-white injury. (05 Mar 2000) |