體節
體節 | |
---|---|
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. | |
Dorsum of human embryo, 2.11 mm in length. (The older term primitive segments is used to identify the somites.) | |
细节 | |
Carnegie stage | 9 |
Days | 20[1] |
发育自 | 軸旁中胚層 |
发育为 | 皮層、肌層、生骨節 |
识别标示 | |
拉丁语 | somitus |
MeSH | D019170 |
TE | E5.0.2.2.2.0.3 |
FMA | FMA:85522 |
格雷氏 | p.52 |
解剖學術語 |
體節(somite or metamere)為動物胚胎中身體分節發育的單位。
節肢動物
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
參考文獻
- . [2007-10-13]. (原始内容存档于2017-07-12).
外部連結
- Template:EmbryologyUNSW
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