| cortical part of middle cerebral artery | <anatomy, artery> See: middle cerebral artery. Synonym: pars corticalis arteriae cerebralis mediae. (05 Mar 2000) |
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| cortical reaction | The reaction of an egg cell to fertilization which changes its surface cell membrane and prevents additional sperm cells from entering (among other things). (09 Oct 1997) |
| cortical sensibility | The integration of sensory stimuli by the cerebral cortex. (05 Mar 2000) |
| cortical substance | The superficial thin layer of compact bone. Synonym: substantia corticalis, cortical substance. (05 Mar 2000) |
| hyperostosis, cortical, congenital | A disease of young infants characterised by soft tissue swellings over the affected bones, fever, and irritability, and marked by periods of remission and exacerbation. (12 Dec 1998) |
| infantile cortical hyperostosis | Neonatal subperiosteal bone formation over many bones, especially the mandible and clavicles and the shafts of long bones; it follows fever, usually appearing before 6 months of age and disappearing during childhood. Synonym: Caffey's disease, Caffey's syndrome, Caffey-Silverman syndrome. (05 Mar 2000) |
| fibrous cortical defect | A common 1 to 3 cm defect in the cortex of a bone, most commonly the lower femoral shaft of a child, filled with fibrous tissue. Nonosteogenic or nonossifying fibroma by convention refers to lesions greater than 3 cm in diameter. See: nonossifying fibroma. Synonym: nonosteogenic fibroma. (05 Mar 2000) |
| laminar cortical necrosis | The breaking down of a definite cell layer in the cerebral cortex, encountered typically after temporary cardiac arrest or perinatal hypoxia. (05 Mar 2000) |
| laminar cortical sclerosis | A degeneration of nerve fibres in the corona radiata in a laminar pattern. (05 Mar 2000) |
| acoustic vesicle | One of the paired sacs of invaginated ectoderm that develop into the membranous labyrinth of the internal ear. Synonym: acoustic vesicle, otic vesicle. (05 Mar 2000) |
| acrosomal vesicle | A vesicle derived from the Golgi apparatus during spermiogenesis whose limiting membrane adheres to the nuclear envelope; together with the acrosomal granule within, it spreads in a thin layer over the pole of the nucleus to form the acrosomal cap. (05 Mar 2000) |
| allantoic vesicle | The hollow portion of the allantois. (05 Mar 2000) |
| amniocardiac vesicle | The rostral portion of the most primitive intraembryonic celom. (05 Mar 2000) |
| auditory vesicle | One of the paired sacs of invaginated ectoderm that develop into the membranous labyrinth of the internal ear. Synonym: acoustic vesicle, otic vesicle. (05 Mar 2000) |
| Baer's vesicle | An obsolete term for vesicular ovarian follicle. (05 Mar 2000) |