| 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) |
| birth | 1. The act or fact of coming into life, or of being born; generally applied to human beings; as, the birth of a son. 2. Lineage; extraction; descent; sometimes, high birth; noble extraction. "Elected without reference to birth, but solely for qualifications." (Prescott) 3. The condition to which a person is born; natural state or position; inherited disposition or tendency. "A foe by birth to Troy's unhappy name." (Dryden) 4. The act of bringing forth; as, she had two children at a birth. "At her next birth." 5. That which is born; that which is produced, whether animal or vegetable. "Poets are far rarer births that kings." (B. Jonson) "Others hatch their eggs and tend the birth till it is able to shift for itself." (Addison) 6. Origin; beginning; as, the birth of an empire. New birth, regeneration, or the commencement of a religious life. Synonym: Parentage, extraction, lineage, race, family. Origin: OE. Burth, birth, AS. Beor, gebyrd, fr. Beran to bear, bring forth; akin to D. Geboorate, OHG. Burt, giburt, G. Geburt, Icel. Burr, Skr. Bhrti bearing, supporting; cf. Ir. & Gael. Beirthe born, brought forth. 92. See 1st Bear, and cf. Berth. Source: Websters Dictionary (01 Mar 1998) |
| birth amputation | Amputation produced in utero; attributed to the pressure of constricting bands (amniotic); autosomal recessive inheritance. Synonym: amniotic amputation, amputation, birth amputation, intrauterine amputation, spontaneous amputation. (05 Mar 2000) |
| birth canal | Cavity of the uterus and vagina through which the foetus passes. Synonym: parturient canal. (05 Mar 2000) |