In anatomy, specifically, perforant; passing through a perforation: applied to the deep flexor muscles of the fingers or toes. See perforans.
Of the hand, branches of communication between the deep palmar artery and the dorsal interosseous arteries, through the interosseous spaces.
Of the thigh, usually four branches of the profunda artery which piercie the adductor muscles to supply the parts at the back of the thigh.
Of the thorax, branches of the internal mammary which pierce the intercostal muscles to supply the pectoral muscle, skin, and mammary gbnnd.