bud primordium

bud primordium
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Англо-русский сельскохозяйственный словарь. 2013.

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Смотреть что такое "bud primordium" в других словарях:

  • bud — 1. An outgrowth that resembles the b. of a plant, usually pluripotential, and capable of differentiating and growing into a definitive structure. 2. To give rise to such an outgrowth. SEE ALSO: gemmation. 3. A small outgrowth from a parent cell;… …   Medical dictionary

  • bud — I. noun Etymology: Middle English budde Date: 14th century 1. a small lateral or terminal protuberance on the stem of a plant that may develop into a flower, leaf, or shoot 2. something not yet mature or at full development: as a. an incompletely …   New Collegiate Dictionary

  • adventitious bud — (BRYOZOA: Phylactolaemata) The small bud primordium on the dorsal side of the main bud near the parental polypide …   Dictionary of invertebrate zoology

  • tail bud — n a knob of embryonic tissue not divided into germ layers that arises at the primitive knot and contributes to the formation of the posterior part of the vertebrate body called also end bud * * * 1. in animals having a tail, the primordium that… …   Medical dictionary

  • tooth bud — n a mass of tissue having the potentiality of differentiating into a tooth * * * a knoblike tooth primordium developing into an enamel organ surrounded by a dental sac and encasing the dental papilla. See also tooth germ, under germ …   Medical dictionary

  • plant development — Introduction       a multiphasic process in which two distinct forms succeed each other in alternating generations. One form, created by the union of sexual cells (gametes (gamete)), contains two sets of similar chromosomes (diploid). At sexual… …   Universalium

  • angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium

  • Diverticulum — A small bulging sac pushing outward from the colon wall is a diverticulum. As a person ages, pressure within the large intestine (colon) causes pockets of tissue (sacs) that push out from the colon walls. The plural is diverticula. Diverticula… …   Medical 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

  • pancreas — An elongated lobulated retroperitoneal gland, devoid of capsule, extending from the concavity of the duodenum to the spleen; it consists of a flattened head (caput) within the duodenal concavity, an elongated three sided body extending… …   Medical dictionary

  • tooth germ — n TOOTH BUD * * * a budlike thickening of the dental lamina that is the primordium of a tooth, and in which the enamel knot develops; the collective structures from which a tooth is formed, including the dental follicle, enamel organ, and dental… …   Medical dictionary

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