. Animal castration, a book for the use of students and practitioners; . r exit from the abdominalcavity. Sheath—The sheath is a loose conglomeration of skin extendingfrom the scrotum forward, and contains the free portion of thepenis. The anterior loose double fold of sheath is known as theprepuce or foreskin, which is corrugated to accommodate thepenis during erection and protrusion. Opening into the sheathare ducts from the glandulae odoriferae which secrete an odorousmatter peculiar to the sheath. The sheath is suspended fromthe abdominal walls by suspensory ligaments. Spermatic Cord—The t
. Animal castration, a book for the use of students and practitioners; . r exit from the abdominalcavity. Sheath—The sheath is a loose conglomeration of skin extendingfrom the scrotum forward, and contains the free portion of thepenis. The anterior loose double fold of sheath is known as theprepuce or foreskin, which is corrugated to accommodate thepenis during erection and protrusion. Opening into the sheathare ducts from the glandulae odoriferae which secrete an odorousmatter peculiar to the sheath. The sheath is suspended fromthe abdominal walls by suspensory ligaments. Spermatic Cord—The testicle is suspended in the scrotum bythe spermatic cord which migrates through the inguinal canal fromthe abdominal cavity to the scrotum. The following structuresenter into its formation: Spermatic venis, spermatic artery,nerves, vas deferens, lymphatics, cremaster muscle and tunicavaginalis. The vas deferens is situated in the posterior part ofthe cord and is enclosed in a special fold detached from the innersurface of the tunica vaginalis. 22 Animal Castration. pjo- 10—External View of Left Testicle and Spermatic Cord: A, Testes; B, GlobusMajor; C, Globus Minor; D, Body of Epididymus; E F, Spermatic Cord. Testicle—The testicle is a compound tubular gland, ovoid inform, suspended by the spermatic cord and occupying space inthe scrotum, inguinal canal or abdominal cavity. When in thescrotum it is contained in a sac known as the tunica vaginalis. They vary much in size in different subjects and are often ofunequal size in the same individual. The epididymus (D, Fig. 10)is an elongated body extending along upper border of the testes( A). It consists of a body (D), a head or globus major (B),and a rail or blobus minor (C). 1 as \)( ft rens—The vas deferens is a firm hard tube which, afterleaving the globus minor, ascends the back of the spermatic cordthrough the external abdominal ring, inguinal canal, and internalabdominal ring to the abdominal cavity, where it enters
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