embryonic period — the time from union of gametes (or in gynogenetic fishes the triggering of cell division) until exogenous nutrition. This period is characterised by endogenous nutrition from the yolk of the ovum (or in viviparous fishes from an ovarian secretion … Dictionary of ichthyology
Embryonic diapause — Delayed Implantation or Embryonic Diapause is a reproductive strategy used by approximately 100 different mammals in seven or eight different orders. In embryonic diapause, the embryo (blastocyst) does not immediately implant in the uterus, but… … Wikipedia
embryonic phase — see under period … Medical dictionary
larval period — the time from the beginning of exogenous nutrition (feeding externally) until the formation or ossification of the axial skeleton and until the undifferentiated median fin fold is differentiated or no longer apparent. Some embryonic organs… … Dictionary of ichthyology
Third Period — The Third Period was the policy adopted by the Comintern at the end of the Soviet Union s New Economic Policy in 1928 and was in place until the adoption of the Popular Front policy in 1935.The Third Period policy was based on Stalin s theory of… … Wikipedia
Эмбриональный период — (embryonic period). Второй период пренатального развития, который продолжается с конца 2 й недели до конца 2 го месяца беременности (считая с момента зачатия). Все главные структуры и органы индивидуума формируются в течение этого периода … Психология развития. Словарь по книге
Prenatal development — This article is about prenatal development of human embryos and fetuses. For other species, see prenatal development (non human). For maternal changes in the prenatal period, see Maternal physiological changes in pregnancy. Prenatal or antenatal… … Wikipedia
Pregnancy — For pregnancy in non human animals, see Pregnancy (mammals). Pregnancy Classification and external resources A pregnant woman at the end of the second trimester. ICD 10 … Wikipedia
growth — /grohth/, n. 1. the act or process, or a manner of growing; development; gradual increase. 2. size or stage of development: It hasn t yet reached its full growth. 3. completed development. 4. development from a simpler to a more complex stage:… … Universalium
History of logic — Philosophy ( … Wikipedia
