. Radiography, X-ray therapeutics and radium therapy . latation and stains in smallintestine. Diagnosis : adhesions in neighbourhood of ileo-caecal valve. Examination of the Large Intestine The large intestine is divided into (1) Caecum ; (2) ascending colon ; (3)hepatic flexure ; (4) transverse colon ; (5) splenic flexure ; (6) descendingcolon ; (7) sigmoid flexure ; (8) rectum. The anatomical relations of theseparts should be clearly understood. The caecum is that portion of the colon which lies below the ileo-caecalvalve. It is almost entirely surrounded by peritoneum, and, being freelymova
. Radiography, X-ray therapeutics and radium therapy . latation and stains in smallintestine. Diagnosis : adhesions in neighbourhood of ileo-caecal valve. Examination of the Large Intestine The large intestine is divided into (1) Caecum ; (2) ascending colon ; (3)hepatic flexure ; (4) transverse colon ; (5) splenic flexure ; (6) descendingcolon ; (7) sigmoid flexure ; (8) rectum. The anatomical relations of theseparts should be clearly understood. The caecum is that portion of the colon which lies below the ileo-caecalvalve. It is almost entirely surrounded by peritoneum, and, being freelymovable, it may consequently vary in position in different subjects. It may 232 RADIOGRAPHY be found in the pelvis or displaced upwards. The appendix is sometimesseen filled with bismuth, and may be the seat of concretions or foreign , the result of an inflammatory process, may occasionally be seen. The ascending colon extends upwards and backwards, into the iliac fossa,and reaches nearly to the liver, where it forms a more or less acute Splenic flexure Hepatic flexure Descending colon Tl ¥/ Ascending colon B ki ( Sigmoid flexure 4$ M I .:/41 ( Caecum Fig. 17S.—Diagrammatic representation of colon filled with bismuth food. The hepatic flexure, together with the first portion of the transversecolon, is frequently ptosed, drawn forwards and downwards ; but this con-dition need not necessarily give rise to symptoms. The transverse colon extends from the hepatic flexure to the splenicflexure. It varies greatly in position, frequently forming a well-markedloop reaching down into the pelvis. The ascending and transverse colonsmay be entirely in juxtaposition when the latter is ptosed, adhesions some-times binding the two together. The transverse colon forms a tense bandaround the greater curvature of the stomach, the latter third of the transversecolon rising almost perpendicularly to the splenic flexure, where it forms anacute angle with the descending colon. It is
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