| CEE | Central European encephalitis; chick embryo extract |
|---|---|
| CEK | chick embryo kidney |
| CEO | chick embryo origin; Chief Executive Officer |
| EF | ectopic focus; edema factor; ejection fraction; elastic fibril; electric field; elongation factor; e... |
| CHEF | Chinese hamster embryo fibroblast |
| pre-embryo | <embryology> A fertilized egg in the early stage of development prior to cell division. (31 Dec 1997) |
|---|---|
| presomite embryo | An embryo prior to the appearance of the first pair of somites, about 20 to 21 days after fertilization in humans. (05 Mar 2000) |
| previllous embryo | The embryo of a placental mammal prior to the formation of chorionic villi. (05 Mar 2000) |
| heterogametic embryo | A male embryo with XY karyotype. (05 Mar 2000) |
| hexacanth embryo | The embryo of tapeworms of the subclass Cestoda, such as Taenia saginata, characterised by three pairs of hooks used for penetration through the gut of an intermediate host. Synonym: oncosphere embryo. (05 Mar 2000) |
| homogametic embryo | A female embryo with XX karyotype. (05 Mar 2000) |
| human embryo lung cell | <cell culture> Diploid, untransformed cells from the lungs of human embryos which are used to make vaccines against certain viruses (such as rabies). (09 Oct 1997) |
| duck embryo origin vaccine | See: rabies vaccine. (05 Mar 2000) |
| oncosphere embryo | The embryo of tapeworms of the subclass Cestoda, such as Taenia saginata, characterised by three pairs of hooks used for penetration through the gut of an intermediate host. Synonym: oncosphere embryo. (05 Mar 2000) |
| embryo | <embryology, gynaecology> In animals, those derivatives of the fertilized ovum that eventually become the offspring, during their period of most rapid development, i.e., after the long axis appears until all major structures are represented. In man, the developing organism is an embryo from about two weeks after fertilization to the end of seventh or eighth week. Origin: Gr. Embryon (18 Nov 1997) |
| embryo, nonmammalian | The embryo of species other than mammals. For the chicken, use the specific chick embryo. (12 Dec 1998) |
| embryo resorption | Death and resorption of the embryo that takes place at any developmental stage after ovum implantation and before the completion of organogenesis. does not include foetal resorption. (12 Dec 1998) |
| embryo sac | <botany> See Embryonic. Source: Websters Dictionary (01 Mar 1998) |
| embryo technology | Refers to the manipulation of mammalian embryos, for example, cloning, embryo splitting, in vitro fertilization, artificial insemination, gamete and embryo storage. (14 Nov 1997) |
| embryo transfer | The placement of a laboratory-fertilized egg into the uterus. (09 Oct 1997) |