mesochonchic

例句：

1. 1.The embryonic development of the human body is divided into three layers: the ectoderm, mesoderm, and endoderm.
   人类身体的胚胎发育分为三层：外胚层、中胚层和内胚层。
2. 2. The mesochondrocytes are responsible for producing collagen fibers, which are essential for bone formation.
   成纤维细胞负责产生胶原蛋白纤维，这对于骨的形成至关重要。
3. 3. In some species, the mesochondrocytes can differentiate into cells that contribute to cartilage production.
   在某些物种中，成纤维细胞可以分化为参与软骨生产的细胞。