medialecithal

me·di·a·lec·i·thal

(mē'dē-ă-les'i-thăl),
Denoting an egg with a moderate amount of yolk, as in amphibians.
[L. medialis, medial, + G. lekithos, egg yolk]

mesolecithal

adjective Referring to eggs (e.g., of amphibia) that have a moderate amount of yolk.
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