| 单词 | morula |
| 释义 | morula [`mȯr·ǝ·lǝ] EMBRYOLOGY A solid mass of blastomeres formed by cleavage of the eggs of many animals; precedes the blastula or gastrula, depending on the type of egg. INVERTEBRATE ZOOLOGY A cluster of immature male gametes in which differentiation occurs outside the gonad; common in certain annelids. |
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