bordered pit

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English-Russian dictionary of geology. 2011.

Смотреть что такое "bordered pit" в других словарях:

  • bordered pit — noun Etymology: bordered, past participle of border (II) : a wood cell pit (as of gymnosperm tracheids) having the secondary cell wall arched over the pit cavity * * * bordered pit noun (botany) A thin area in the secondary wall of a cell,… …   Useful english dictionary

  • pit canal — noun Etymology: pit (I) : the passage in a bordered pit that is between the cell lumen and the pit chamber and that is especially prominent when both secondary wall and pit border are thick …   Useful english dictionary

  • pit border — noun Etymology: pit (I) : the extension of the secondary cell wall that forms a rim and overarches the pit cavity of a bordered pit …   Useful english dictionary

  • pit chamber — noun Etymology: pit (I) : the part of the pit cavity of a bordered pit enclosed by the overarching extension of the secondary cell wall …   Useful english dictionary

  • pit — Region of the plant cell wall in which the secondary wall is interrupted, exposing the underlying primary cell wall. One or more plasmodesmata are usually present in the primary wall, communicating with the other half of a pit pair. May be simple …   Dictionary of molecular biology

  • pit annulus — noun Etymology: pit (I) : the thicker outer rim of the membrane of some bordered pits …   Useful english dictionary

  • vestured pit — noun : a bordered pit with minute outgrowths projecting into the pit cavity from the secondary wall around the pit …   Useful english dictionary

  • simple pit — noun : a plant cell pit lacking a prominent overarching margin compare bordered pit …   Useful english dictionary

  • Loreal pit — The Loreal pit is the deep depression, or fossa, in the loreal area on either side of the head in crotaline snakes (pitvipers). It is located behind the nostril and in front of the eye, but below the line that runs between the centers of each. It …   Wikipedia

  • torus — Structure found at the centre of a bordered pit, especially in conifers, forming a thickened region of the pit membrane. When subjected to a pressure gradient, it seals the pit by pressing against the pit border …   Dictionary of molecular biology

  • 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

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