| 释义 |
DictionarySeeserratus posterior inferiorserratus posterior inferior muscle
ser·ra·tus pos·ter·i·or in·fer·i·or mus·cle (sĕ-rā'tŭs pos-tēr'ē-ŏr in-fēr'ē-ŏr mŭs'ĕl) Lower intermediate muscle of back; origin, with latissimus dorsi, from spinous processes of two lower thoracic and two upper lumbar vertebrae; insertion, into lower borders of last four ribs; action, draws lower ribs backward and downward; nerve supply, ninth to twelfth intercostal. Synonym(s): inferior posterior serratus muscle, musculus serratus posterior inferior. |