- spindle fibers
- the microtubules radiating from the centrioles during mitosis and forming a spindle-shaped configuration. See spindle (def. 2).
Medical dictionary. 2011.
spindle fibers
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Spindle checkpoint — The spindle checkpoint blocks the entry of a cell undergoing mitosis into anaphase until all chromosomes are properly attached to the meiotic or mitotic spindle. To achieve proper segregation, the two kinetochores on the sister chromatids must be … 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
spindle — [spin′dəl] n. [ME (with intrusive d ) < OE spinel < spinnan, to SPIN] 1. a slender rod or pin used in spinning; specif., a) in hand spinning, a rounded rod, usually wooden, tapering toward each end, for twisting into thread the fibers… … English World dictionary
spindle — In anatomy and pathology, any fusiform cell or structure. [A.S.] aortic s. a fusiform dilation of the aorta immediately beyond the isthmus. SYN: His s.. central s. a central group of microtubules (continuous fib … Medical dictionary
spindle — spindlelike, adj. /spin dl/, n., adj., v., spindled, spindling. n. 1. a rounded rod, usually of wood, tapering toward each end, used in hand spinning to twist into thread the fibers drawn from the mass on the distaff, and on which the thread is… … Universalium
spindle — I. noun Etymology: Middle English spindel, from Old English spinel; akin to Old English spinnan to spin Date: 12th century 1. a. a round stick with tapered ends used to form and twist the yarn in hand spinning b. the long slender pin by which the … New Collegiate Dictionary
spindle — spin•dle [[t]ˈspɪn dl[/t]] n. v. dled, dling 1) tex a rounded rod, usu. of wood, tapering toward each end, used in hand spinning to twist into thread the fibers drawn from the mass on the distaff, and on which the thread is wound as it is spun 2) … From formal English to slang
Weissmann fibers — fibers within the muscle spindle … Medical dictionary
Muscle spindle — Latin fusus neuromuscularis Code TH H3.11.06.0.00018 Muscle spindles are sensory receptors within the belly of a muscle, which primarily detect changes in the length of this muscle. They convey length information to the central nervous system via … Wikipedia
muscle spindle — n a sensory end organ in a muscle that is sensitive to stretch in the muscle, consists of small striated muscle fibers richly supplied with nerve fibers, and is enclosed in a connective tissue sheath called also stretch receptor * * * a… … Medical dictionary
