Sieve
61sieve 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 …
62sieve cell — noun : an elongated tapering cell characteristic of the phloem of gymnosperms and lower vascular plants that is basically similar in form, function, and relationships to a sieve tube element but distinguished by rather uniformly distinguished… …
63Sieve (mathematics) — In mathematics, sieve has several possible definitions: * In number theory, a sieve is a technique for counting the size of certain sets whose precise number of elements is hard to determine. See sieve theory, general number field sieve, and… …
64Sieve of Sundaram — In mathematics, the sieve of Sundaram is a simple deterministic algorithm for finding all prime numbers up to a specified integer. It was discovered by an Indian student S. P. Sundaram from Sathyamangalam in 1934. [cite journal |author=V.… …
65Sieve River — Infobox River | river name = Sieve caption = origin = Futa Pass, Apennines, Italy mouth = Arno River basin countries = Italy length = 62 km elevation = discharge = watershed = The Sieve is a river in Italy. It is a tributary of the Arno River,… …
66Sieve (rivière) — 43°46′N 11°26′E / 43.767, 11.433 …
67sieve 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… …
68sieve-tube element — noun or sieve tube member : a thin walled elongated living cell that has no nucleus at maturity, is continuous with other similar cells by protoplasmic strands which pass through the perforations of specialized sieve plates, prob. functions… …
69sieve plate — Perforated end walls separating the component cells (sieve elements) that make up the phloem sieve tubes in vascular plants. The perforations permit the flow of water and dissolved organic solutes along the tube, and are lined with callose. The… …
70sieve tube — /ˈsɪv tjub/ (say siv tyoohb) noun a longitudinal, food conducting, tubelike structure present in the phloem of angiosperms composed of sieve tube elements (cells containing cytoplasm but not nuclei) placed end to end with perforations (sieve… …
