corona

SYN: crown. [L. garland, crown, fr. G. korone]

- c. capitis the topmost part of the head. SYN: crown of head.

- 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. glandis penis [TA] SYN: c. of glans penis.

- 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.

- Zinn c. SYN: vascular circle of optic nerve.

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co·ro·na kə-'rō-nə n the upper portion of a bodily part (as a tooth or the skull)

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n.

a crown or crownlike structure. The corona capitis is the crown of the head.

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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.