| Muller's fibres | Sustentacular neuroglial cells of the retina running through the thickness of the retina from the internal limiting membrane to the bases of the rods and cones where they form a row of junctional complexes. Synonym: Muller's radial cells, sustentacular fibres of retina. (05 Mar 2000) |
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| polar fibres | Those fibres of the mitotic spindle extending from the two poles of the spindle toward the equator. Compare: astral fibres, kinetochore fibres. (05 Mar 2000) |
| corticospinal fibres | The fibres that compose the pyramidal tract (corticospinalis). Synonym: fibrae corticospinales, corticospinal fibres, fibrae pyramidales. (05 Mar 2000) |
| corticothalamic fibres | A general term designating nerve fibres originating from any area of the cerebral cortex and terminating in the nuclei of the thalamus. (05 Mar 2000) |
| postganglionic fibres | A fibre whose cell body is located in an autonomic (motor) ganglion and whose peripheral process will terminate on smooth muscle, cardiac muscle, or glandular epithelium; associated with sympathetic or parasympathetic parts of the autonomic nervous system. (05 Mar 2000) |
| precollagenous fibres | Immature, argyrophilic fibre's. (05 Mar 2000) |
| preganglionic fibres | A fibre whose cell body is located in an autonomic nucleus in the spinal cord or brain stem and whose axon terminates in an autonomic (motor) ganglion; found in nerves conveying sympathetic or parasympathetic fibres. (05 Mar 2000) |
| pressor fibres | Sensory nerve fibre's whose stimulation causes vasoconstriction and rise of blood pressure. (05 Mar 2000) |
| projection fibres | Nerve fibre's connecting the cerebral cortex with other centres in the brain or spinal cord; fibres arising from cells in the central nervous system that pass to distant loci. (05 Mar 2000) |
| Sappey's fibres | Nonstriated muscular fibre's in the check ligaments of the eyeball. (05 Mar 2000) |
| Prussak's fibres | Elastic and connective tissue fibre's bounding the pars flaccida membranae tympani. (05 Mar 2000) |
| pyramidal fibres | The fibres that compose the pyramidal tract (corticospinalis). Synonym: fibrae corticospinales, corticospinal fibres, fibrae pyramidales. (05 Mar 2000) |
| Sharpey's fibres | Bundles of collagenous fibre's that pass into the outer circumferential lamellae of bone or the cementum of teeth. Synonym: Sharpey's fibres. (05 Mar 2000) |
| skeletal muscle fibres | Multinucleated contractile cells varying from less than 10 to 100 um in diameter and from less than 1 mm to several centimeters in length; the fibre consists of sarcoplasm and cross-striated myofibrils, which in turn consist of myofilaments; human skeletal muscles are a mixture of red, white, and intermediate type fibre's. (05 Mar 2000) |
| hypothalamocerebellar fibres | Nerve fibres originating from cells in the hypothalamus and projecting to the cerebellar cortex and nuclei. (05 Mar 2000) |