embryonic knob
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entypy — ˈentəpē noun ( es) Etymology: en (II) + typy : a method of amnion formation in certain mammals in which the embryonic knob invaginates into the yolk sac and no amniotic folds are formed compare amnion … Useful english dictionary
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… … Universalium
Tubercle — A small tuber, a small lump or bump. * * * 1. A nodule, especially in an anatomic, not pathologic, sense. 2. A circumscribed, rounded, solid elevation on the skin, mucous membrane, or surface of an organ. 3. A slight … Medical dictionary
plant — plantable, adj. plantless, adj. plantlike, adj. /plant, plahnt/, n. 1. any member of the kingdom Plantae, comprising multicellular organisms that typically produce their own food from inorganic matter by the process of photosynthesis and that… … Universalium
lizard — /liz euhrd/, n. 1. any of numerous scaly reptiles of the suborder Sauria, order Squamata, typically having a moderately elongate body, a tapering tail, and two pairs of legs held outward from the body, comprising mostly terrestrial and burrowing… … Universalium
Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… … Wikipedia
Tritylodontidae — Taxobox name = Tritylodonts fossil range = Late Triassic mid Cretaceous image width = 240px image caption = Oligokyphus regnum = Animalia phylum = Chordata classis = Synapsida ordo = Therapsida subordo = Cynodontia infraordo = Eucynodontia… … Wikipedia
MYH9 — Myosin, heavy chain 9, non muscle Identifiers Symbols MYH9; DFNA17; EPSTS; FTNS; MGC104539; MHA; NMHC II A; NMMHCA External IDs … Wikipedia
stem — stem1 stemless, adj. stemlike, adj. /stem/, n., v., stemmed, stemming. n. 1. the ascending axis of a plant, whether above or below ground, which ordinarily grows in an opposite direction to the root or descending axis. 2. the stalk that supports… … Universalium
