primary egg tube 中文意思是什麼
primary egg tube
解釋
原卵管-
The egg envelopes are composed of secondary envelope and primary envelope which comprise zona radiatal, zona radiata2 and zona radiata3, and there are tube radiata and flexural sub - elasticity envelope which is vertical with plasma membrane in every zona radiata
唇(魚骨)卵膜由初級卵膜和次級卵膜組成,初級卵膜具三層輻射帶,帶內具彎曲的彈性亞膜和輻射管,次級卵膜膠質狀,外具濃密的顆粒。
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