Definition of Graafian follicle in English:

Graafian follicle

noun

Physiology
  • A fluid-filled structure in the mammalian ovary within which an ovum develops before ovulation.

    • ‘For some unexplained reason normally only one follicle becomes more successful than the others and towards mid-cycle this dominant Graafian follicle rises to the surface of the ovay.’

Origin

Mid 19th century: named after R. de Graaf (1641–73), Dutch anatomist.

Pronunciation:

Graafian follicle

/ˌɡräfēən ˈfälikəl/