4. 蹠外動脈(lateral plantar artery)在何處進入足底深層形成蹠動脈弓(plantar arterial arch)?
(A)屈趾小肌(flexor digitorum minimi)中點
(B)第五蹠骨(the fifth metatarsal)基部內側
(C)蹠方肌(quadratus plantae)的起始處
(D)蹠方肌與屈趾小肌交會處

題目解析本題主要考查蹠外動脈（lat...