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zona pellucida

[ zoh-nuh puh-loo-si-duh, pel-yoo- ]

noun

, Anatomy.
, plural zo·nae pel·lu·ci·dae [zoh, -nee p, uh, -, loo, -si-dee, pel-, yoo, -].
  1. the transparent, noncellular layer surrounding the ovum of mammals, often having radial striations.


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Word History and Origins

Origin of zona pellucida1

From New Latin, dating back to 1835–45; zone, pellucid

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zonal soilzonate