Japanese edit

Kanji in this term
さん
Grade: 1
とう
Grade: 2
きん
Grade: 6
kan’on

Etymology edit

三頭 (three heads) +‎ (muscle), calque of New Latin mūsculus triceps

Noun edit

(さん)(とう)(きん) (santōkin

  1. a triceps muscle
    Hyponyms: 下腿三頭筋 (katai santōkin), 上腕三頭筋 (jōwan santōkin)
    Coordinate terms: 四頭筋 (shitōkin), 二頭筋 (nitōkin)