| corticifugal | Passing in a direction away from the outer surface; denoting especially nerve fibres conveying impulses away from the cerebral cortex. Synonym: corticoefferent, corticofugal. Origin: L. Cortex, rind, bark, + fugio, to flee (05 Mar 2000) |
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| corticipetal | <physiology> Passing in a direction toward the outer surface; denoting nerve fibres conveying impulses toward the cerebral cortex. Synonym: corticoafferent. Origin: L. Cortex, rind, bark, + peto, to seek (05 Mar 2000) |
| corticoafferent | <physiology> Passing in a direction toward the outer surface; denoting nerve fibres conveying impulses toward the cerebral cortex. Synonym: corticoafferent. Origin: L. Cortex, rind, bark, + peto, to seek (05 Mar 2000) |
| corticobulbar fibre | <physiology> Nerve fibre's projecting from the motor and somatic sensory cortex to the rhombencephalon. Included in this corticofugal fibre system are corticoreticular fibre's terminating in the reticular formation of the rhombencephalon, and corticonuclear fibre's to the motor nuclei innervating the musculature of the face, tongue, and jaws, and to some fibre's of the rhombencephalic sensory relay nuclei. They terminate directly on some motor cranial nerve nuclei, in the reticular formation, and on sensory relay nuclei, such as the cuneate nucleus and gracile nucleus and the spinal trigeminal nucleus. See: corticobulbar tract. (05 Mar 2000) |
| corticobulbar tract | <physiology> Collective term for those fibres (corticonuclear fibres) which separate from the corticospinal tract in the course of the latter's descent through the pons and medulla oblongata. Fibres of this tract innervate the motor nuclei of the trigeminal, facial, and hypoglossal nerves (perhaps also the nucleus ambiguus), directly and by way of interneurons in the lateral part of the rhombencephalic tegmentum. No direct supranuclear cortical innervation of the motor nuclei innervating the external eye muscles (oculomotor, trochlear, abducens) has been identified. Fibres of the corticobulbar tract also project into the formatio reticularis (i.e., corticoreticular fibres) and terminate upon sensory relay nuclei (e.g., gracile and cuneate nuclei, nucleus spinalis trigeminalis and nucleus solitarius). Synonym: tractus corticobulbaris. (05 Mar 2000) |
| corticocerebellum | Phylogenetic term referring to the larger lateral portion of the cerebellar hemisphere receiving its dominant input from the pontine nuclei which, in turn, are dominated by afferent nerves originating from all parts of the cerebral cortex; phylogenetically, of more recent origin than the archicerebellum and paleocerebellum, q.v., the neocerebellum reaches its largest development in humans and other primates. Synonym: corticocerebellum. (05 Mar 2000) |
| corticoefferent | Passing in a direction away from the outer surface; denoting especially nerve fibres conveying impulses away from the cerebral cortex. Synonym: corticoefferent, corticofugal. Origin: L. Cortex, rind, bark, + fugio, to flee (05 Mar 2000) |
| corticofugal | Passing in a direction away from the outer surface; denoting especially nerve fibres conveying impulses away from the cerebral cortex. Synonym: corticoefferent, corticofugal. Origin: L. Cortex, rind, bark, + fugio, to flee (05 Mar 2000) |
| corticoid | 1. Having an action similar to that of a hormone of the adrenal cortex. 2. Any substance exhibiting this action. Synonym: corticosteroid. (05 Mar 2000) |
| corticoliberin | <endocrinology, physiology> A neuropeptide released by the hypothalamus that stimulates the release of corticotropin by the anterior pituitary gland. Chemical name: Corticotropin-releasing factor Synonym: corticoliberin, corticotropin releasing factor. (12 Dec 1998) |
| corticomedial | Cortical and medial; specifically used to refer to one of the two major cytological divisions of the amygdaloid complex. See: corpus amygdaloideum. (05 Mar 2000) |
| corticonuclear fibre | <physiology> Descriptive term connotating fibres from a cortical structure (cerebral or cerebellar) passing to subcortical cell groups; fibres comprising the tractus corticobulbaris; cerebellar corticonuclear fibres (Purkinje cell axons to the cerebellar nuclei). Synonym: fibrae corticonucleares. (05 Mar 2000) |
| corticopontine fibre | <physiology> The fibres that compose the corticopontine tract. Synonym: fibrae corticopontinae. (05 Mar 2000) |
| corticopontine tract | <anatomy, physiology> Collective term for the multitude of fibres which, originating in all of the major subdivisions of the cerebral cortex, descend in the internal capsule and crus cerebri to terminate in the nuclei of the ventral part of the pons. Individual components of this massive fibre system are indicated, according to their origin in the cerebral cortex, as the frontopontine tract, parietopontine tract, occipitopontine tract, and temporopontine tract. Synonym: tractus corticopontini. (05 Mar 2000) |
| corticoreticular fibre | <physiology> Corticofugal fibres distributed to the reticular formation of the mesencephalon and rhombencephalon. See: corticobulbar fibres. Synonym: fibrae corticoreticulares. (05 Mar 2000) |
| corticosteroid |
a steroid hormone produced by the adrenal cortex or synthesized; administered as drugs they reduce swelling and decrease the body's immune response; "adrenal cortical steroids are used to treat many different conditions"
Ãâó: wordnet.princeton.edu/perl/webwn
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| corticosterone |
secreted by the adrenal cortex; involved in regulating water and electrolyte balance in the body
Ãâó: wordnet.princeton.edu/perl/webwn
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| corticotropin |
adrenocorticotropic hormone: a hormone produced by the anterior pituitary gland that stimulates the adrenal cortex
Ãâó: wordnet.princeton.edu/perl/webwn
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| cortical bone |
the compact bone of the shaft of a bone that surrounds the medullary cavity.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| cortical cataract |
1. developmental punctate opacity common in the cortex and present in most lenses. The cataract is white or cerulean, increases in number with age, but rarely affects vision. 2. cuneiform c..
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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