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cen·tro·lec·i·thal .sen-trō-'les-ə-thəl adj of an egg having the yolk massed centrally and surrounded by a thin layer of clear cytoplasm compare ISOLECITHAL, TELOLECITHAL
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cen·tro·lec·i·thal (sen″tro-lesґĭ-thəl) [centro- + lecithal] having the yolk centrally located, surrounded by a peripheral layer of cytoplasm; such as the eggs of arthropods and insects.Medical dictionary. 2011.