sieve area

sieve area
The area containing inhalant apertures.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • sieve area — noun also sieve field : an area in the wall of a sieve tube element, sieve cell, or parenchyma cell in which are clustered pores through which cytoplasmic connections pass to adjoining cells and which in sieve tube elements are typically most… …   Useful english dictionary

  • sieve field — noun see sieve area …   Useful english dictionary

  • sieve plate — noun or sieve disk : a wall or portion of a wall between sieve tube elements containing one or more sieve areas compare compound sieve plate, sieve tube * * * sieve plate noun (botany) A perforated area by which a sieve tube connects with another …   Useful english dictionary

  • Sieve analysis — A sieve analysis is a practice or procedure used to assess the particle size distribution of a granular material. The size distribution is often of critical importance to the way the material performs in use. A sieve analysis can be performed on… …   Wikipedia

  • sieve plate — Perforated wall area in a sieve tube element, through which strands connecting sieve tube protoplasts can pass …   Glossary of Biotechnology

  • sieve graft — a skin graft from which very small circular islands of skin are removed so that a larger denuded area can be covered, the sievelike portion being placed over one area, and the individual islands over surrounding or other denuded areas …   Medical dictionary

  • General number field sieve — In number theory, the general number field sieve (GNFS) is the most efficient classical algorithm known for factoring integers larger than 100 digits. Heuristically, its complexity for factoring an integer n (consisting of log2 n bits) is of …   Wikipedia

  • San Piero a Sieve — Infobox CityIT img coa = official name = San Piero a Sieve name = San Piero a Sieve region = Tuscany province = Province of Florence (FI) elevation m = 212 area total km2 = 36.6 population as of = Dec. 2004 population total = 3921 population… …   Wikipedia

  • prosopyle — n. [Gr. proso, forward; pyle, gate] (PORIFERA) The opening of the incurrent canal into the flagellated chamber; sieve area …   Dictionary of invertebrate zoology

  • 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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