| NMS | Naval Medical School; neuroleptic malignant syndrome; neuromuscular spindle; normal mouse serum |
|---|---|
| PSTV | potato spindle tuber virus |
| RMSA | regulator of mitotic spindle assembly; rhabdomyosarcoma, alveolar |
| MAP | malignant atrophic papulosis; mandibular angle plane; maturation-activated protein; maximal aerobic ... |
| MT | magnetization transfer; malaria therapy; malignant teratoma; mammary tumor; mammilothalamic tract; m... |
| PSTVd | Potato Spindle Tuber Viroid |
|---|---|
| PSTV | Potato spindle tuber viroid |
| SPBs | Spindle pole bodies |
| HVS | high voltage spindle |
| SPB | spindle pole body |
| microtubule | <cell biology> 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). Microtubules of the ciliary axoneme are more permanent than cytoplasmic and spindle microtubules. (18 Nov 1997) |
|---|---|
| microtubule-associated protein 1B kinase | <enzyme> Serine-threonine-specific protein kinase which acts on microtubule-associated protein 1b (map1b); activated by various mitogens; does not act on map2 Registry number: EC 2.7.10.- Synonym: map1b kinase (26 Jun 1999) |
| microtubule-associated protein-2 phosphatase | <enzyme> does not fit into any of the classes of protein phosphatases (types 1,2a,2b and 2c) involved in cellular regulation Registry number: EC 3.1.3.- Synonym: map-2 phosphatase (26 Jun 1999) |
| microtubule-associated proteins | <protein> High molecular weight proteins found in the microtubules of the cytoskeletal system. Under certain conditions they are required for tubulin assembly into the microtubules and stabilise the assembled microtubules. Acronym: MAP (12 Dec 1998) |
| microtubule organising centre | <cell biology> Rather amorphous region of cytoplasm from which microtubules radiate. The pattern and number of microtubules is determined by the microtubule organising centre. The pericentriolar region is the major microtubule organising centre in animal cells, the basal body of a cilium is another example. Activity of microtubule organising centres can be regulated, but the mechanism is unclear. Acronym: MTOC (18 Nov 1997) |
| microtubule-organizing centre | A locus in interphase and mitotic cells from which most microtubules radiate; in the centre of this centre is the centriole; this centre determines the polarity of cellular microtubules. (05 Mar 2000) |
| subpellicular microtubule | A microtubule lying beneath the unit membrane (pellicle) of many protozoans, often as a palisade of longitudinally arranged fibrils connected by fine lateral bridges that support the external cell form; in certain sporozoan stages a fixed number of microtubule's are found, extending longitudinally from the polar ring. Synonym: subpellicular fibril. (05 Mar 2000) |
| doublet microtubule | <cell biology> Microtubules of the axoneme. The outer nine sets are often referred to as doublet microtubules, although only one the A tubule) is complete and has 13 protofilaments. The B tubule has only 10 or 11 protofilaments and shares the remainder with the A tubule. A and B tubules differ in their stability and in the other proteins attached periodically to them, it is the dynein affixed to the A tubule attaching and detaching from the B tubule of the adjacent doublet that generates sliding movement in the axoneme. (18 Nov 1997) |
| aortic spindle | A fusiform dilation of the aorta immediately beyond the isthmus. Synonym: His' spindle. (05 Mar 2000) |
| central spindle | A central group of microtubules (continuous fibres) that course uninterrupted, between the asters, in contrast to the microtubules attached to the individual chromosomes (s. Fibres). (05 Mar 2000) |
| meiotic spindle | The meiotic equivalent of the mitotic spindle. (18 Nov 1997) |
| cleavage spindle | The spindle formed during the cleavage of a zygote or its blastomeres. (05 Mar 2000) |
| mitotic spindle | See: spindle and mitosis. (18 Nov 1997) |
| mitotic spindle apparatus | An organelle consisting of three components: 1) the astral microtubules, which form around each centrosome and extend to the periphery; 2) the polar microtubules which extend from one spindle pole to the equator; and 3) the kinetochore microtubules, which connect the centromeres of the various chromosomes to either centrosome. (12 Dec 1998) |
| muscle spindle | A specialised muscle fibre found in tetrapod vertebrates. A bundle of muscle fibres is innervated by sensory neurons. Stretching the muscle causes the neurons to fire, the muscle spindle thus functions as a stretch receptor. (18 Nov 1997) |
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