mesoderm

名词 mesoderm:

1. the middle germ layer that develops into muscle and bone and cartilage and blood and connective tissue
   同义词：mesoblast

mes.o.derm

n.（名词）
The middle embryonic germ layer, lying between the ectoderm and the endoderm, from which connective tissue, muscle, bone, and the urogenital and circulatory systems develop.
中胚层：中间胚芽层，位于外胚层和内胚层之间，最终发育成结缔组织、肌肉、骨骼、泌尿系统及循环系统

【引伸】
mes.oder.mal 或
mes.oder.mic
adj.（形容词）