Callus

癒傷組織 /愈伤组织

yùshāng zǔzhī

(botany: new formation over the end of a cutting)

繭子 /茧子

jiǎnzi

(hardened part of the skin)

老繭 /老茧

lǎojiǎn

(hardened part of the skin)

胼胝

piánzhī

(hardened part of the skin)

長繭 /长茧

zhǎng jiǎn

(to form hardened tissue)