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otic pit 添加释义

网络释义英英释义

  形成听窝

...第4周初,其头端的脑泡(菱脑泡)两侧的表面部分外胚层增厚,形成听板(otic placode),听板随之内陷,逐渐形成听窝otic pit),然后听窝闭合并与表面外胚层分离,形成一个囊状的听泡(otic vesicle)。

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  耳凹

... 血红素凹窝 heme pocket 耳凹,听窝 otic pit 凹窝小泡复合体。 vesicle complex ...

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Otic pit

  • abstract: The auditory pit, also known as the otic pit, is the first rudiment of the internal ear. It appears shortly after that of the eye, in the form of a patch of thickened ectoderm, the auditory plate, over the region of the hind-brain.

以上来源于: WordNet

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