Identifier: landmarkssurface00rawl (find matches)
Title: Landmarks and surface markings of the human body
Year: 1913 (1910s)
Authors: Rawling, L. Bathe (Louis Bathe)
Subjects: Human anatomy
Publisher: New York, P. B. Hoeber
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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part of the duodenum passesalmost transversely across the middle line at the levelof the subcostal plane, and having reached the leftFig xix., side of the middle line, ascends sharply to ^ the duodeno-jejunal flexure, which is placed on a level with the second lumbar vertebra, just below thetranspyloric plane, and i to i^ inches to the left of themiddle line. The duodenum is subject to great variation FIG. XIX. 1, I. The oesophagus. 2. The stomach.1.. The pylorus. 4, 4, 4. The three parts of the duodenum. 4- The pancreas.:;. The duodeno-jejunal flexure. 6. The attachment of the mesentery of the small intestine. 7. The ileo-csecal valve. 8. The caecum. 9. The vermiform appendix. 10. The ascending colon. 11. The hepatic flexure. 12. The splenic flexure. 13. The descending colon. 14. The iliac colon. 15. The ilio-pelvic colon. 16. The gastro-hepatic omentum.17 The foramen of Winslow. 18. The common bile-duct.N.B.—The transverse colon has been intentionally omitted. THE ALIMENTARY CANAL
Text Appearing After Image:
FIG. XIX. a, a, and a, a = \.\\q lateral vertical planes. b, h. The transpyloric plane. c, c. The subcostal )>lane. d, d. The intertubercular plane. To/ace p. 56. THE ABDOMEN 57 The vermiform appendix.—The opening of the appendixFig. xix., ^t° the caecum is situated just below and ®- internal to the junction of the right lateral vertical and intertubercular planes, at the top right-handcorner of the hypogastric region. The surface marking ofthe csecal orifice of the appendix does not coincide withMcBurneys point, which is situated at the junction ofthe outer and middle thirds of a line drawn from theright anterior superior iliac spine to the umbilicus. Thispoint represents the usual seat of maximum pain onpalpation in an attack of appendicitis. The appendixis usually 3 to 4 inches long, and, according to Testut,is in 40 per cent, of cases directed downwards andinwards, overhanging the pelvic brim, whilst in 26 percent, of cases only is it directed upwards and inwards(towards th

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