The Ciba Collection of Medical Illustrations: A compilation of paintings on the normal and pathologic anatomy of the digestive system. pt. 1. Upper digestive tract. pt. 2. Lower digestive tract. pt. 3. Liver, biliary tract and pancreas. Edited by E. Oppenheimer |
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Page 60
Thus the internal anal sphincter muscle , representing a gradual enlargement of
the inner circular muscle sheet of the rectum , is composed of smooth muscle
fibers which are innervated by autonomic nerves via the intrinsic nerve plexuses
...
Thus the internal anal sphincter muscle , representing a gradual enlargement of
the inner circular muscle sheet of the rectum , is composed of smooth muscle
fibers which are innervated by autonomic nerves via the intrinsic nerve plexuses
...
Page 61
SA PUBOCOCCYGEUS PUBORECTALIS ILIOCOCCYGEUS LEVATOR ANI
MUSCLE ANOCOCCYGEAL LIGAMENT ( POSTERIOR EXTENSIONS OF
SUPERFICIAL EXTERNAL SPHINCTER ) GLUTEUS MAXIMUS MUSCLE
SLEEP AN TIP ...
SA PUBOCOCCYGEUS PUBORECTALIS ILIOCOCCYGEUS LEVATOR ANI
MUSCLE ANOCOCCYGEAL LIGAMENT ( POSTERIOR EXTENSIONS OF
SUPERFICIAL EXTERNAL SPHINCTER ) GLUTEUS MAXIMUS MUSCLE
SLEEP AN TIP ...
Page 98
Thereafter , the tonus of the sphincters returns , and defecation occurs reflexly by
way of the lumbosacral center . Since voluntary contraction of the external
sphincter is no longer possible and since distention of the rectum is no longer ...
Thereafter , the tonus of the sphincters returns , and defecation occurs reflexly by
way of the lumbosacral center . Since voluntary contraction of the external
sphincter is no longer possible and since distention of the rectum is no longer ...
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Contents
LOWER DIGESTIVE TRACT | 45 |
THE LOWER DIGESTIVE TRACT | 83 |
HERNIAS | 123 |
Copyright | |
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Common terms and phrases
abdominal absorption anal anterior appear arises ARTERY ascending attachment become blood body bowel branches canal cause cavity cells cent CIBA clinical colic COLLECTION colon common contains Continued cord course covering deep descending develop diaphragm disease dorsal enter extends EXTERNAL fascia FEMORAL fibers FOLD fossa frequently function greater hernia ileum iliac infection inferior inguinal internal jejunum large intestine lateral layer lesions levator LIGAMENT liver lower lumbar margin medial mesenteric middle mucosa muscle nerves nodes oblique obstruction obturator occur organs origin pain pancreas pass patients pelvic peritoneal peritoneum plane PLATE plexus portion posterior present psoas major rectal rectum region result ring sacral side sigmoid skin small intestine space sphincter stomach structures superficial superior superior mesenteric supply surface symptoms third thoracic tion tissue tract transverse TRUNK tumors ulcers UMBILICAL upper usually varies VEIN ventral VESICAL vessels viscera wall