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单词 alecithal
释义

alecithal

/əˈlɛsɪθl/
Embryology
adjective
Of an ovum: containing no yolk or little yolk; = microlecithal.

Origin

Late 19th century; earliest use found in Francis Maitland Balfour (1851–1882), comparative embryologist and morphologist. From a- + ancient Greek λέκιθος yolk + -al.

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更新时间:2025/2/3 14:33:44