symmetric germ
Смотреть что такое "symmetric germ" в других словарях:
Animal — Animalia redirects here. For other uses, see Animalia (disambiguation). For other uses, see Animal (disambiguation). Animals Temporal range: Ediacaran Recent … Wikipedia
Analytic continuation — In complex analysis, a branch of mathematics, analytic continuation is a technique to extend the domain of a given analytic function. Analytic continuation often succeeds in defining further values of a function, for example in a new region where … Wikipedia
Stem cell — Mouse embryonic st … Wikipedia
endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… … Universalium
Radiata — Taxobox name = Radiata fossil range = Ediacaran Recent image caption = A jellyfish, Chrysaora regnum = Animalia subregnum = Eumetazoa unranked phylum = Radiata unranked phylum authority = Linnaeus, 1758 subdivision ranks = Phyla subdivision = *… … Wikipedia
Adult stem cell — Adult stem cells are undifferentiated cells found throughout the body after embryonic development that divide to replenish dying cells and regenerate damaged tissues. Also known as somatic (from Greek Σωματικóς, of the body ) stem cells, they can … Wikipedia
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
Major sperm protein — MSP Structure of MSP dimer from A. suum. The β sheets are shown in orange Identifiers Symbol Major Sperm Protein, MSP Entrez … Wikipedia
Invertebrate — The common fruit fly, Drosophila melanogaster, has been the subject of much research An invertebrate is an animal without a backbone. The group includes 97% of all animal species[1] – all animals except those in the … Wikipedia
Halkieria — Taxobox name = Halkieria fossil range = fossil range|533|511|Lower to Middle Cambrian image title = Halkieria evangelista from the Lower Cambrian Sirius Passet, North Greenland regnum = Animalia phylum = ?Mollusca unranked ordo = Halwaxiida… … Wikipedia
Methylation — In the chemical sciences, methylation denotes the addition of a methyl group to a substrate or the substitution of an atom or group by a methyl group. Methylation is a form of alkylation with, to be specific, a methyl group, rather than a larger… … Wikipedia