| CCFA | cefotoxin-cycloserine fructose agar |
|---|---|
| EYA | egg yolk agar |
| LD-EYA | Lombard-Dowell egg yolk agar |
| LD-NEYA | Lombard-Dowell neomycin egg yolk agar |
| NEY | neomycin egg yolk [agar] |
| EYL | egg yolk lecithin |
|---|---|
| EPC | egg yolk phosphatidycholine |
| EYPC | egg yolk phosphatidyl choline |
| EggPC | egg yolk phosphatidylcholine |
| EYP | egg yolk phospholipid |
| egg yolk | The stored nutrient of the egg and the yellow portion of the egg of a bird. (12 Dec 1998) |
|---|---|
| fructose-6-phosphate,2-kinase-fructose-2,6-bisphosphatase | <chemical> From rat skeletal muscle and liver; catalyses the synthesis and degradation of fructose 2,6-bisphosphate; contains EC 2.7.1.105 and EC 3.1.3.46 Synonym: fru-kinase-fru-bisphosphatase, f kinase-f-bisphosphatase, 6-phosphofructo 2-kinase-fructose 2,6-bisphosphatase, 6-pf-2-k-fru-2,6-p(2)ase (26 Jun 1999) |
| cycloserine | <drug> A broad-spectrum antibiotic synthesised by the bacterium Streptomyces orchidaceus which is used most often to treat urinary tract infections and tuberculosis.This antibiotic is a structural analogue of the amino acid D-alanine and it inhibits bacteria's ability to make peptidoglycan, an important component of the bacterial cell wall. (09 Oct 1997) |
| cefoxitin | <chemical> Semisynthetic cephamycin antibiotic resistant to beta-lactamase. Pharmacological action: cephamycins. Chemical name: 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 3-(((aminocarbonyl)oxy)methyl)-7-methoxy-8-oxo-7-((2-thienylacetyl)amino)-, (6R-cis)- (12 Dec 1998) |
| cefoxitin sodium | A semisynthetic antibiotic derived from cephamycin C but structurally and pharmacologically similar to the cephalosporins; used by injection. (05 Mar 2000) |
| white yolk | Yolk consisting of much finer particles than those of yellow yolk; thin layers of it lie between the zones of yellow yolk and form the latebra. (05 Mar 2000) |
| yellow yolk | The chief constituent of the yolk in a bird's egg; it consists of relatively coarse particles of stored food materials and is laid down in concentric zones with interposed thin layers of white yolk. (05 Mar 2000) |
| yolk | 1. The yellow part of an egg; the vitellus. 2. <zoology> An oily secretion which naturally covers the wool of sheep. <anatomy> Yolk cord, the umbilical vesicle. See Unbilical. Origin: OE. Yolke, yelke, yolke, yelke, AS. Geoloca, geoleca, fr. Geolu yellow. See Yellow Alternative forms: yelk. Source: Websters Dictionary (01 Mar 1998) |
| yolk cell | <cell biology> In those eggs in which the yolk is not distributed evenly (telolecithal eggs) the cells formed when cleavage reaches the yolk region can be termed yolk cells. (18 Nov 1997) |
| yolk cells | Primitive embryonic cell's lying between the endoderm and mesoderm; they probably give rise to the endothelium of vitelline vessels. (05 Mar 2000) |
| yolk cleavage | Segmentation of the vitellus. (05 Mar 2000) |
| yolk membrane | The membrane enveloping the yolk; specifically, the thickened cell membrane of large-yolked ova. Synonym: ovular membrane, vitelline membrane. Sometimes used to designate the zona pellucida of a mammalian ovum. Synonym: yolk membrane. (05 Mar 2000) |
| yolk sac | <embryology, ornithology> One of the set of extra embryonic membranes, growing out from the gut over the yolk surface, in birds formed from the splanchnopleure, an outer layer of splanchnic mesoderm and an inner layer of endoderm. (18 Nov 1997) |
| yolk sac carcinoma | Malignant germ cell tumour commonly found in the ovary. The tumour arises from primitive germ cells and develops into extra-embryonic tissue resembling the yolk sac. Synonym: yolk sac carcinoma. (05 Mar 2000) |
| yolk sac tumour | An unusual and aggressive tumour of germ-cell origin that reproduces the extraembryonic structures of the early embryo. It is the most common malignant germ cell tumour found in children. It is characterised by a labyrinthine glandular pattern of flat epithelial cells and rounded papillary processes with a central capillary (schiller-duval body). The tumour is rarely bilateral. Before the use of combination chemotherapy, the tumour was almost invariably fatal. (12 Dec 1998) |
| cycloserine cefoxitin fructose egg yolk agar |
an agar medium containing peptone, sodium chloride, magnesium sulfate, fructose, neutral red, and phosphate buffer, supplemented with cycloserine, cefoxitin, and egg yolk, used as a selective medium for Clostridium difficile.
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