| embryatrics | Rarely used term for fetology. Origin: embryo-+ G. Iatros, physician (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 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) |
| embryo, nonmammalian | The embryo of species other than mammals. For the chicken, use the specific chick embryo. (12 Dec 1998) |
| embryoblast | The cells at the embryonic pole of the blastocyst concerned with formation of the body of the embryo per se. Synonym: inner cell mass. Origin: embryo-+ G. Blastos, germ (05 Mar 2000) |
| embryocardia | A condition in which the cadence of the heart sounds resembles that of the foetus, the first and second sounds becoming alike and evenly spaced; a sign of serious myocardial disease. Synonym: pendulum rhythm, tic-tac rhythm, tic-tac sounds. Origin: embryo-+ G. Kardia, heart (05 Mar 2000) |
| embryogenesis | The processes leading to the development of an embryo from egg to completion of the embryonic stage. (18 Nov 1997) |
| embryogenic | <biology> Pertaining to the development of an embryo. Source: Websters Dictionary (01 Mar 1998) |
| embryogeny | <biology> The production and development of an embryo. Origin: Gr. An embryo + root of to produce: cf. F. Embryogenie. Source: Websters Dictionary (01 Mar 1998) |
| embryogony | <biology> The formation of an embryo. Origin: Gr. An embryo + generation. Source: Websters Dictionary (01 Mar 1998) |
| embryography | <biology> The general description of embryos. Origin: Gr. An embryo. Source: Websters Dictionary (01 Mar 1998) |
| embryoid | Resembling an embryo or a foetus. Synonym: embryoid, embryoniform. Origin: embryo-+ G. Eidos, appearance (05 Mar 2000) |