“内骨”造句

胸内骨是由各胸节背、侧、腹部的内陷构成.
Endothorax is composed of invaginations of the tergal, pleural and sternal regions of each thoracic segment.

VEGF也是胚胎发育、软骨内骨形成、女性生殖系统、以及肿瘤和眼球内血管新生所必需的.
VEGF is essential for embryonic development, endochondral bone formation, female reproductive functions.