File:On the anatomy of vertebrates (electronic resource) (1866) (14748566014).jpg

Identifier: b20416039_003 (find matches)
Title: On the anatomy of vertebrates (electronic resource)
Year: 1866 (1860s)
Authors: Owen, Richard, 1804-1892
Subjects: Anatomy, Comparative Vertebrates Fishes Reptiles Mammals Birds
Publisher: London : Longmans, Green
Contributing Library: Wellcome Library
Digitizing Sponsor: Wellcome Library

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nch or process lying parallel with its body where itpasses behind the liver, and a few others at the curvature of theduodenum. Its duct, somewhat larger than a crow-quill, entersthe small intestine at the extremity of the gland, 1 foot and9 inches from the pylorus, and 1 foot and 6 inches from the ter-mination of the ductus choledochus.2 This is the extreme ofdistance from the pylorus and bile-conduits of the entry of thepancreatic secretion into the intestinal tract, which has been ob-served in Mammals : the character prevails in the Rodent order,and Physiologists have availed themselves of it in the Rabbit in 1 ccxxxi. p. 98. 2 clxi. p. 19. 494 ANATOMY OF VERTEBRATES. experimental research on the action of the bile in the intestinebefore its admixture with the pancreatic secretion. Most Tnsec-tivora also show the flattened branched form of the pancreas inthe broad membranes suspending contiguous organs: it is shownin a large snouted Shrew, in fig. 323, p o In the Hedgehog one of 380
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Pancreas of the Rat (natural size), shown by throwing up the duodenum and duodenal mesentery, ccxxxi. the duodenal branches hangs freely from the mesentery with anentire investment of peritoneum.1 In the Sloth the left end of the splenic portion of the pancreashas an entire serous coat, and is somewhat loosely suspendedfrom the back of the epiploon: the duodenal portion is narrower.In Myrmecophaga the transverse or splenic portion is long and 1 cxxvn. p. 236, No. 780 a. PANCKEAS OF MAMMALIA. 405 narrow, connected with both epiploon and stomach : the duodenalpart follows the curve of the gut. In Cetacea the pancreas, like the liver, becomes more compactin form: it is unusually long, flat, rather narrow but thick, withits left end near the spleen, and attached to the first gastric cavity :it crosses the spine at the root of the mesentery, behind the secondand third stomachs, to the right, following, or expanding at, thecurve of the duodenum, to which it adheres, and sending its ductto j

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