part of part_of head 头部 mesenchyme 间充质 head mesenchyme 头部间充质 Portion of primordial embryonic connective tissue of the developing head, consisting of mesenchymal cells supported in interlaminar jelly, that derive mostly from the mesoderm and contribute to head connective tissue, bone and musculature in conjunction with cranial neural crest cells. cephalic mesenchyme cranial mesenchyme desmocranium 发育头部的原始胚胎结缔组织部分，由层间凝胶支持的间充质细胞组成，主要来自中胚层，并与颅神经嵴细胞共同作用于头部结缔组织、骨骼和肌肉组织。 头部间充质 膜成骨颅 颅骨间质 embryonic tissue 胚胎组织 entire embryonic mesenchyme 整个胚胎间充质