spindle microtubule

См. также в других словарях:

• Microtubule — Space filling model of a microtubule segment derived from cryo electron microscopy. The protofilaments are seen running along the axis of the segment. The microtubule (+) end is towards the top of the image.[1] Microtubules are a component of the …   Wikipedia

• Microtubule organizing center — The microtubule organizing center (MTOC) is a structure found in eukaryotic cells from which microtubules emerge. MTOCs have two main functions: the organization of eukaryotic flagella and cilia and the organization of the mitotic and meiotic… …   Wikipedia

• Spindle pole body — The spindle pole body (SPB) is the microtubule organizing center in yeast cells, functionally equivalent to the centrosome. Unlike the centrosome the SPB does not contain centrioles. The SPB organises the microtubule cytoskeleton which plays many …   Wikipedia

• Spindle apparatus — This article is about the cellular structure. For other uses, see Spindle (disambiguation). Micrograph showing condensed chromosomes in blue and the mitotic spindle in green during prometaphase of mitosis In cell biology, the spindle fibers are… …   Wikipedia

• Microtubule nucleation — tubulin, gamma Identifiers Symbol TUBG1 Alt. symbols TUBG Entrez 7283 …   Wikipedia

• microtubule — A hollow, cylindrical cytoplasmic element, 20–27 nm in diameter and of variable length, that occurs widely in the cytoskeleton, cilia, and flagella of cells; microtubules play a role in the maintenan …   Medical dictionary

• spindle fibres — Microtubules of the spindle that interdigitate at the equatorial plane with microtubules of the opposite polarity derived from the opposite pole microtubule organizing centre. Usually distinguished from kinetochore fibres that are microtubules… …   Dictionary of molecular biology

• microtubule — /muy kroh tooh byoohl, tyooh /, n. Cell Biol. a hollow cylindrical structure in the cytoplasm of most cells, involved in intracellular shape and transport. See diag. under cell. [1960 65; MICRO + TUBULE] * * * Tubular structure enclosed by a… …   Universalium

• microtubule — noun Date: 1961 any of the minute tubules in eukaryotic cytoplasm that are composed of the protein tubulin and form an important component of the cytoskeleton, mitotic spindle, cilia, and flagella • microtubular adjective …   New Collegiate Dictionary

• microtubule — Cytoplasmic tubule, 25nm outside diameter with a 5nm thick wall. Made of tubulin heterodimers packed in a three start helix (or of 13 protofilaments looked at another way), and associated with various other proteins (MAPs, dynein, kinesin).… …   Dictionary of molecular biology

• microtubule — Self assembling components of the cytoskeleton. Microtubules are cylindrical protein polymers, interconnected by cross bridging proteins, which structurally and dynamically organize functional activities in living cells. They form the spindle… …   Glossary of Biotechnology