apical axis

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• Apical ectodermal ridge — The apical ectodermal ridge (AER) is a critical component in vertebrate limb development.cite journal |author=Zakany J, Zacchetti G, Duboule D |title=Interactions between HOXD and Gli3 genes control the limb apical ectodermal ridge via Fgf10… …   Wikipedia

• apical angle — 1. (ARTHROPODA: Insecta) The angle of a wing at its apex. 2. (MOLLUSCA: Gastropoda) In a plane through the axis, that angle subtended between two straight lines that touch adjacent whorls on opposite sides near the apex; identical with the spire… …   Dictionary of invertebrate zoology

• apical cell — noun : the single cell that terminates the vegetative axis in many cryptogamous plants : the initial point of longitudinal growth …   Useful english dictionary

• Anatomical terms of location — Standard anatomical terms of location are employed in science which deal with the anatomy of animals to avoid ambiguities which might otherwise arise. They are not language specific, and thus require no translation. They are universal terms that… …   Wikipedia

• Didymosphenia geminata — Didymo found beside the Mararoa River in New Zealand. Scientific classification Domain …   Wikipedia

• 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

• 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

• tree — treelike, adj. /tree/, n., v., treed, treeing. n. 1. a plant having a permanently woody main stem or trunk, ordinarily growing to a considerable height, and usually developing branches at some distance from the ground. 2. any of various shrubs,… …   Universalium

• Tree — /tree/, n. Sir Herbert Beerbohm /bear bohm/, (Herbert Beerbohm), 1853 1917, English actor and theater manager; brother of Max Beerbohm. * * * I Woody perennial plant. Most trees have a single self supporting trunk containing woody tissues, and in …   Universalium

• Glossary of botanical terms — Many of the terms used in Wikipedia glossaries (often most) are already defined and explained within Wikipedia itself. However, lists like the following indicate where new articles need to be written and are also useful for looking up and… …   Wikipedia

• angle — The meeting point of two lines or planes; the figure formed by the junction of two lines or planes; the space bounded on two sides by lines or planes that meet. For angles not listed below, see the descriptive term; e.g., axioincisal, distobuccal …   Medical dictionary