corona radiata

co·ro·na ra·di·a·ta kə-'rō-nə-.rād-ē-'āt-ə, -'ät- n, pl co·ro·nae ra·di·a·tae -(.)nē-.rād-ē-'āt-(.)ē, -'ät-

1) the zone of small follicular cells immediately surrounding the ovum in the graafian follicle and accompanying the ovum on its discharge from the follicle

2) a large mass of myelinated nerve fibers radiating from the internal capsule to the cerebral cortex

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1. a series of radiating fibres between the cerebral cortex and the internal capsule of the brain.

2. a layer of follicle cells that surrounds a freshly ovulated ovum. The cells are elongated radially to the ovum when seen in section.

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1. [TA] the radiating crown of projection fibers which pass from the internal capsule to every part of the cerebral cortex. 2. an investing layer of radially elongated follicular cells surrounding the zona pellucida of a secondary oocyte.