collagen

名词 collagen:

1. a fibrous scleroprotein in bone and cartilage and tendon and other connective tissue; yields gelatin on boiling

col.la.gen

n.（名词）
The fibrous protein constituent of bone, cartilage, tendon, and other connective tissue. It is converted into gelatin by boiling.
骨胶原：以骨、软骨、腱和其他结缔组织为成分的纤维蛋白质，经熬制可转化为胶

来源：
Greek kolla [glue]
希腊语 kolla [胶水]
-gen
-gen

【引伸】
col.lagen.ic