corona radiata

[ kuh-roh-nuh rey-dee-ey-tuh ]

noun

, Anatomy.

, plural co·ro·nae ra·di·a·tae [k, uh, -, roh, -nee rey-dee-, ey, -tee].

1. the layer of follicle cells surrounding an ovum and remaining attached to it following ovulation.

Word History and Origins

Origin of corona radiata¹

From New Latin, dating back to 1840–50; corona, radiate

Example Sentences

As the fibres of the internal capsule run up toward the cortex they decussate with the transverse fibres of the corpus callosum and spread out to form the corona radiata.

From Project Gutenberg

The cortex is the least resistant part, and next in order follow the corona radiata, the grey matter of the spinal cord, the pons, and, last, the medulla oblongata.

From Project Gutenberg

Tuczek and Fuchs have confirmed the discoveries of Exner, that there are no medullated nerve fibers in the convolutions of the infant, and Flechzig has developed this law, that "medullated nerve fibers appear first in the region of the pyramidal tracts and corona radiata, and extend from them to the convolutions and periphery of the brain," being practically completed about the eighth year.

From Project Gutenberg