alpha fibers

alpha fibers
motor and proprioceptive fibers of the A type having conduction velocities of 70 to 120 meters per second and ranging from 13 μm to 22 μm in diameter. See also under motoneuron.

Medical dictionary. 2011.

Поможем решить контрольную работу

Look at other dictionaries:

  • alpha motoneurons — neurons of the anterior spinal cord that give rise to the alpha fibers which innervate the skeletal muscle fibers. Cf. anterior horn cell …   Medical dictionary

  • Alpha motor neuron — Infobox Anatomy Name = Alpha motor neuron Latin = GraySubject = 190 GrayPage = Caption = Alpha motor neurons are derived from the basal plate (basal lamina) of the developing embryo. Width = 200 Caption2 = System = Central nervous system… …   Wikipedia

  • Alpha sheet — The alpha sheet (also known as an alpha pleated sheet or a polar pleated sheet) is a hypothetical secondary structure in proteins, first proposed by Linus Pauling and Robert Corey in 1951.Pauling, L. Corey, R. B. (1951). The pleated sheet, a new… …   Wikipedia

  • Alpha helix — A common motif in the secondary structure of proteins, the alpha helix (α helix) is a right handed coiled conformation, resembling a spring, in which every backbone N H group donates a hydrogen bond to the backbone C=O group of the amino acid… …   Wikipedia

  • C fibers — unmyelinated nerve fibers, having a smaller diameter (0.3 to 1.3 μm) and a slower conduction velocity (0.6 to 2.3 meters per second) than alpha fibers. They are found as postganglionic (efferent) fibers of the autonomic nervous system, and… …   Medical dictionary

  • Collagen, type II, alpha 1 — (primary osteoarthritis, spondyloepiphyseal dysplasia, congenital) Identifiers Symbol COL2A1 Alt. symbols SEDC Entrez …   Wikipedia

  • General somatic efferent fibers — Scheme showing structure of a typical spinal nerve. 1. Somatic efferent. 2. Somatic afferent. 3,4,5. Sympathetic efferent. 6,7. Sympathetic afferent. Gray s …   Wikipedia

  • Actinin, alpha 2 — Actinin, alpha 2, also known as ACTN2, is a human gene.cite web | title = Entrez Gene: ACTN2 actinin, alpha 2| url = Cmd=ShowDetailView TermToSearch=88| accessdate = ] PBB Summary section title =… …   Wikipedia

  • Actin, alpha 1 — Actin, alpha 1, skeletal muscle PDB rendering based on 1atn …   Wikipedia

  • Collagen, type V, alpha 1 — Rendering based on PDB 1A89 …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”