| renal cortical lobule | One of the subdivisions of the kidney, consisting of a medullary ray and that portion of the convoluted port (renal corpuscles and convoluted tubules) associated with its collecting duct. Synonym: lobulus corticalis renalis, renal cortical lobule, renculus, reniculus, renunculus. (05 Mar 2000) |
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| cortical | <anatomy> Pertaining to or of the nature of a cortex or bark. Origin: L. Corticalis (18 Nov 1997) |
| cortical apraxia | An inability to make movements or to use objects for the purpose intended. Synonym: cortical apraxia, innervation apraxia, limb-kinetic apraxia. (05 Mar 2000) |
| cortical arches of kidney | The portions of renal substance (cortex) intervening between the bases of the pyramids and the capsule of the kidney. (05 Mar 2000) |
| cortical arteries | Branches of the anterior, middle, and posterior cerebral artery's that supply the cerebral cortex. (05 Mar 2000) |
| cortical audiometry | Measurement of the potentials that arise in the auditory system above the level of the brainstem. (05 Mar 2000) |
| cortical blindness | Loss of sight due to an organic lesion in the visual cortex. (05 Mar 2000) |
| cortical bone | The superficial thin layer of compact bone. Synonym: substantia corticalis, cortical substance. (05 Mar 2000) |
| cortical cataract | A cataract in which the opacity affects the cortex of the lens. Synonym: peripheral cataract. (05 Mar 2000) |
| cortical convexity | The aspect of the cerebral hemisphere that lies in contact with the flat bones of the skull; it includes parts of the frontal, parietal, temporal, and occipital lobes. Synonym: facies superolateralis cerebri, cortical convexity, superolateral cerebral surface. (05 Mar 2000) |
| cortical deafness | Deafness resulting from bilateral lesions of the primary receptive area of the temporal lobe. (05 Mar 2000) |
| cortical dysplasia | A malformative disorganization of the cytoarchitecture of the cortex relative to neurons. (05 Mar 2000) |
| cortical epilepsy | Epilepsy of various aetiologies characterised by focal seizures or secondarily generalised tonic-clonic seizures. Ictal symptoms are often related to the brain region where the seizure begins focally. Synonym: cortical epilepsy, local epilepsy, partial epilepsy. (05 Mar 2000) |
| cortical granule | <cell biology, gynaecology> Specialised secretory vesicles lying just below the plasma membrane of the egg, that fuse and release their contents immediately after fertilization (activation) to prevent polyspermy. (13 Nov 1997) |
| cortical hormones | Steroid hormone's produced by the adrenal cortex. (05 Mar 2000) |