-ōˈpākə noun
Etymology: New Latin, opaque area
: the peripheral opaque area surrounding the area pellucida of vertebrate embryos with discoidal cleavage
-ōˈpākə noun
Etymology: New Latin, opaque area
: the peripheral opaque area surrounding the area pellucida of vertebrate embryos with discoidal cleavage
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012