THE ARTERIES. 



237 



inward; under the 31. pyrifornris to be distributed in the 31. sphincter 

 anl and the skin of the anus. 



b. The Art. cutaneafer/ioris posterior v. superior (cf) nins with the 

 corresponding nerve and the 3f. pyriformi*, and over the 31. senii- 

 memljranoxit* to the skin of the inner and hinder surfaces of the 

 thigh. 



c. The Sami mvsculares supply the 31. semimembranosus, the 31. 

 h'u-i'j.x. and the 313f. e.rt en-sores an ris; the branch to the 31. recta* 

 inferior major pierces the muscle in company with the nerve, and 

 is continued as : 



d. The Art. cntaneafemori* media (cf) to the skin of the middle 



of the inner surface of the thigh. Several small twigs pierce the 



31. reef a s tttlermu minor, 



reach the skin, and Fi s?- ! ? 6 - 



communicate with this ( 



artery. cf 



Arteries of the hinder extremity. 



(< Art. cutanea caleanei. 



cf Cutaneous branch of the fe- 

 moral artery. 



cf Art. cutanea fem. post supe- 

 rior. 



cf" Art. cutanea feinoris media. 



(ill Art cut. genu lateralis suix.-- 

 rior. 



cgV Art. circuuiflexagenn lateralis 

 inferior. 



ctim Art. circumflexa genu superior 

 medi;ilis. 



cijm' Art. circumflexa genu inferior 



meduUis. 

 \I. coccygeo-iliiictis. 



;; M. ga-strueneniins. 



ill M. tjlutaeus. 



h Art. haemorrhoidalis infer!' .: 



t Sciatic artery. 



ml Art. malleolarL; lateralis. 



mm Art. malle. ilaris medians. 



p Art. peronea. 



I*' Muscular branch to the M. 

 peroneus. 



P M. pyramidalis. 



ra M. rectus anterior. 



ri" M. rectus intermix. 



xi>i M. semimembranosus. 



tu Art. suralis. 



t Tibial artery. 



to Aperture in tibto-fibula. 



// Art. tarsea. 



ve M. vastus externus. 



B. The peroneal artery (Art. peronea}, (Fig. 156 p} runs out- 



