. An atlas of human anatomy for students and physicians. Anatomy. Sacroiliac articulation Articulatio sacro-iliaca Pyrifoimis muscle M pirilormis Obturator internus muscle Coccygeus or leva-"\ Pelvic tor coecygis muscle I diaphragm I Diaphragma Levator ani muscle j pelvis V2 Ischiorectal fossa Fosba ischiorectalis Tuberosity of the ischium Tuber ibchiadicum Internal sphincter of the anus^ M sphincter ani internus External or superficial sphincter of the anus M. sphincter ani externus Fig. 931.—Position and Form of the Empty and Contracted Rectum as seen in a Coronal Section THROUGH the PE
. An atlas of human anatomy for students and physicians. Anatomy. Sacroiliac articulation Articulatio sacro-iliaca Pyrifoimis muscle M pirilormis Obturator internus muscle Coccygeus or leva-"\ Pelvic tor coecygis muscle I diaphragm I Diaphragma Levator ani muscle j pelvis V2 Ischiorectal fossa Fosba ischiorectalis Tuberosity of the ischium Tuber ibchiadicum Internal sphincter of the anus^ M sphincter ani internus External or superficial sphincter of the anus M. sphincter ani externus Fig. 931.—Position and Form of the Empty and Contracted Rectum as seen in a Coronal Section THROUGH the PELVXS OF A FROZEN BODY. SEEN FROM BEFORE. The inferior extremity of the rectum is opened by a section passing obliquely downwards and backwards. After removing the peritonenm and the great vessels, the muscles of the pelvis have been exposed. Sacral promontory PromontoriQiri Parietal peritoneum Peritonasum parietale Pyriformis muscle M. piriformis Eectum (*sacral curve)* Intestinum rectum (*flexura--=|^_v'j-^ sacralis) Transverse fold of the rectum" Plica transversalis recti Rectal ampulla'' Ampulla recti *Perineal curve of the rectum^ *Flexura perinealis recti Anal portion of the rectum (anal canal) Pars analis recti Post-anal furrow, or crena clumum Crena ani. Fig. 932.—Position and Form of the Rectum when gre.'^tly Coronal Section through the Pelvis of a Frozen Fifth lumbar nerve Nervus lumbalis V. Internal iliac vein^ Vena hypogastrica Kectal fascia^ Fascia diaphragmatis pelvis superior Levator ani muscle - Obturator internus muscle Ischiorectal fossa Fossa ischiorectalis Internal pudic artery^ Arteria pudenda interna Falciform process of the great sacrosciatio ligament— Processus falcilormis Tuberosity of the ischium Tuber ischiadicum luttrnal sphincter of the anus' M. sphincter ani internus External or superficial sphincter of the anus M sphincter ani externus distended with Fj€ces, as seen in a Body. Seen from Before. In the region of the first and second sac
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1919
