298 



OPERATIONS OH MUSCLES AND THEIE ANNEXES. 





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riG. 314.— Anatomy of the Perineal, Anal and Caudal Eco 



1 1-— Tbe Bkin. 2.— Portion of the aponeurotic sheatlicf the oocrygeal muscles. 

 3 3.— Inferior sacro coccygeal muBolea. 4 4 — Lateral saoro coccygeal muscles. B B.— Is- 

 chlo coccygeal muscles. 6.— Suspensory ligament of the anus. 7 7.— Lateral caudal 

 arteries. 8.— Deep caudal vein, satellite of the median artery. 9.— Median caudal 

 artery. 10 10.— Inferior caudal nerves. 11.— Lymphatic glands. 18 12.— Superficial 

 caudal veins. 12 —One of the superficial caudal veins. 13.— Portion of the perineal 

 aponeurosis. 14 14.— Semi-membranosus muscle. 15.— Sphincter ani. 16 16.— Ischio 

 cavernous muscle. 17 17.— Buibo cavernous muscle. 18 18.— Suspensory ligaments of 

 the penis. 19 19.— Bulbous or internal pudic arteries. 20.— Inrtsion of the urethral 

 canal for urethrotomy. SI.— Anus. 



