生骨节
shēnɡ ɡǔ jié
- 名sclerotome
生骨节-
移植后29～32h，靠近神经管的DC体节向中壁破裂，外迁的间充质细胞在生肌节与神经管和脊索之间，形成生骨节（即原位生骨节）。
After 29-32 h of grafting , the medial wall of DC somite was broken down and migrating mesenchymal cells moved toward notochord and formed sclerotome ( the sclerotome in situ ) between myotomes and neural tube as well as notochord .
-
原位背根神经节只位于每个生骨节的前半个，其数量和排列完全依赖于原位生骨节。
So did the dorsal root ganglia in situ as the sclerotome in situ .
-
生骨节的致密区向头端发展，形成软骨盘和纤维环的原基。
The compact area of unripe condyle carries development to the head , form cartilage dish with fiber annulus former base .