體節

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體節
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Transverse section of half of a chick embryo of forty-five hours' incubation. The dorsal (back) surface of the embryo is towards the top of this page, while the ventral (front) surface is towards the bottom.
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Dorsum of human embryo, 2.11 mm in length. (The older term 'primitive segments' is used to identify the somites.)
细节
拉丁文 somitus
Carnegie stage 9
Days 20[1]
发育自 軸旁中胚層英语p̺araxial mesoderm
发育为 皮層英语Cutis plate肌層英语myotome生骨節
识别标示
Gray's p.52
MeSH A16.254.425.660.750
Code TE E5.0.2.2.2.0.3
解剖學名詞英语Anatomical terminology

體節(somite or metamere)為動物胚胎中身體分節發育的單位。

節肢動物[编辑]

在原始甲殼類中,體節被認為是身體構造的一部分。再現生甲殼類身上,某些體節可能已經融合。

參見[编辑]

參考文獻[编辑]

  1. ^ The Third Week Of Life:. [2007-10-13]. 

外部連結[编辑]