A fascia is connective tissue fibers, primarily collagen, that form sheets or bands beneath the skin to attach, stabilize, enclose, and separate muscles and other internal organs. Fasciae are classified according to their distinct layers, their functions and their anatomical location: superficial fascia, deep fascia, and visceral fascia.

Jīnmó shì liánjiēxìng zǔzhī xiānwéi, jiāoyuándànbái wéizhǔ, piànzhuàng huò dàizhuàng, zài pífū xiàmiàn; yòngyǐ fùzhe, wěndìng, wéizhe hé fēnkāi jīròu hé nèizàng. Gēnjù bùtóng de céngcì, gōngnéng hé jiěpōu wèizhì, jīnmó fēnwéi qiǎncéng jīnmó, shēncéng jīnmó hé nèizàng jīnmó.