zona pellucida
[ zoh-nuh puh-loo-si-duh, pel-yoo- ]
/ ˈzoʊ nə pəˈlu sɪ də, pɛlˈyu- /
noun, plural zo·nae pel·lu·ci·dae [zoh-nee puh-loo-si-dee, pel-yoo-] /ˈzoʊ ni pəˈlu sɪˌdi, pɛlˈyu-/. Anatomy.
the transparent, noncellular layer surrounding the ovum of mammals, often having radial striations.
Words nearby zona pellucida
zona,
zona fasciculata,
zona glomerulosa,
zona hemorrhoidalis,
zona ophthalmica,
zona pellucida,
zona reticularis,
zona tecta,
zonal,
zonal geranium,
zonal necrosis
Medical definitions for zona pellucida
zona pellucida
[ pə-lōō′sĭ-də ]
n.
The thick solid transparent outer membrane of a developed mammalian ovum.
oolemma