弹性纤维

tán xìng xiān wéi shì pí fū gōng néng shang de zhòng yào zǔ chéng bù fen

弹性纤维是皮肤功能上的重要组成部分。

Elastic fibers are functionally important components of skin.

xuè guǎn bì de tán xìng xiān wéi hěn xiān xì

血管壁的弹性纤维很纤细。

The elastic fibers in the walls of blood vessels are very thin.