- - c. ciliaris [TA] the circular figure on the inner surface of the ciliary body, formed by the processes and folds (plicae) taken together. SYN: ciliary crown, ciliary wreath.- c. clinica SYN: clinical crown.- c. dentis SYN: crown of tooth.- c. of glans penis [TA] the prominent posterior border of the glans penis. SYN: c. glandis penis [TA].- c. radiata 1. [TA] a fan-shaped fiber mass on the white matter of the cerebral cortex, composed of the widely radiating fibers of the internal capsule; 2. a single layer of columnar cells derived from the cumulus oophorus, which anchor on the pellucid zone of the oocyte in a secondary follicle. SYN: radiate crown.- c. seborrheica a red band at the hair line along the upper border of the forehead and temples occasionally observed in seborrheic dermatitis of the scalp.- c. veneris papular syphilitic lesions (secondary eruption) along the anterior margin of the scalp or on the back of the neck. SEE ALSO: crown of Venus.
* * *co·ro·na kə-'rō-nə n the upper portion of a bodily part (as a tooth or the skull)
* * *n.a crown or crownlike structure. The corona capitis is the crown of the head.
* * *co·ro·na (kə-roґnə) pl. coronas, coroґnae [L., from Gr. korōnē] a crown; used in anatomy to designate a crownlike eminence or encircling structure.
Medical dictionary. 2011.