noun (plural zonae pellucidae) Etymology: New Latin, transparent zone Date: 1841 the transparent more or less elastic noncellular outer layer or envelope of a mammalian ovum that is composed of glycoproteins
ZONA PELLUCIDA
Meaning of ZONA PELLUCIDA in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012