A.胸背神經(jīng) B.肌皮神經(jīng) C.肩胛下神經(jīng) D.臂內(nèi)側(cè)皮神經(jīng) E.前臂內(nèi)側(cè)皮神經(jīng)
A.胸長(zhǎng)神經(jīng) B.胸前神經(jīng) C.肩胛背神經(jīng) D.鎖骨下神經(jīng) E.肩胛上神經(jīng)
A.S2~S4脊髓前根 B.C8~L3脊髓前根 C.頸神經(jīng)(C4~8后支) D.枕下神經(jīng)(C2后支) E.枕大神經(jīng)(C2后支)