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Regions of the abdomen and their contents (edge of costal cartilages in dotted outline). "For convenience of description the abdomen may be artificially divided into nine regions by drawing two circular lines around the body parallel with the cartilages of the ninth ribs, and the highest point of the crests of the ilia; and two vertical lines from the cartilage of the eighth rib on each side to the center of Poupart's ligament. The vicar contained in these different regions are as follows: -- Right Hypochondriac - the right lobe of the liver and gall-bladder, hepatic flexure of the colon, and part of the right kidney. Right Lumbar - ascending colon, part of the right kidney, and some convolutions of the small intestines. Right Inguinal (Iliac) - the caecum, appendix caeci. Epigastric Region - the middle and pyloric end o the stomach, left lobe of the liver, the pancreas, the duodenum, part of the kidneys and the suprarenal capsules. Umbilical Region - the transverse colon, part of the great omentum and mesentery, transverse part of the duodenum, and some convolutions of the jejunum and ileum, and part of both kidneys. Hypogastric Region - convolutions of the small intestines, the bladder in children, and in adults if distended, and the uterus during pregnancy. Left Hypochondriac - the splenic end of the stomach, the spleen and extremity of the pancreas, the splenic flexure of the colon, and part of the left kidney. Left Lumbar - descending color, part of the omentum, part of the left kidney, and some convolutions of the small intestines. Left Inguinal (Iliac) - sigmoid flexure of the colon." — Kimber, 1907.

Regions of the Abdomen and their Contents

Regions of the abdomen and their contents (edge of costal cartilages in dotted outline). "For convenience…

"The digestive sac, tract, or tube of any animal; the visceral or intestinal cavity."-Whitney, 1902

Alimentary Canal

"The digestive sac, tract, or tube of any animal; the visceral or intestinal cavity."-Whitney, 1902

Diagram of the abdominal part of the alimentary canal. Labels: C, the cardiac, and P, the pyloric end of the stomach, A; D, the duodenum; J, I, the convolutions of the small intestine; CC, the caecum with the vermiform appendix; AC, ascending, TC, transverse, and DC, descending colon; SF, sigmoid flexure; R, the rectum.

Alimentary Canal

Diagram of the abdominal part of the alimentary canal. Labels: C, the cardiac, and P, the pyloric end…

"Showing the Relations of the Stomach, Liver, Intestines, Spleen, and other Organs of the Abdomen. <em>A</em>duodenum</em>; <em>B</em>, upper end of the small intestine; <em>C</em>, lower end of the small intestine; <em>D</em>, caecum; <em>E</em>, bladder. The liver and stomach are drawn up and portions of the lower intesting have been cut away." &mdash; Blaisedell, 1904

Digestive system

"Showing the Relations of the Stomach, Liver, Intestines, Spleen, and other Organs of the Abdomen. Aduodenum;…

Organs of the digestive system.

Organs of the Digestive System

Organs of the digestive system.

The Intestines. 1: Begining of Duodenum; 2: Small inestine; 3: Large intestine; 4: Rectum.

Intestines

The Intestines. 1: Begining of Duodenum; 2: Small inestine; 3: Large intestine; 4: Rectum.

The small intestine, a convoluted, tubular, digestive organ, about 20 ft in length, extending from the pylorus to the ileo-caecal valve, where it terminates in the large intestine. It is connect to the spinal column by the mesenteric portion of the peritoneum, and divided into 3 parts, the duodenum (d), the jejunum, and the ileum (i).

The Small Intestine

The small intestine, a convoluted, tubular, digestive organ, about 20 ft in length, extending from the…

The digestive system. This figure represents the whole tract of the intestinal canal, not exactly in its natural position, but spread out so as to show the relative proportions; f, the esophagus; g, cardia; h, pylorus; i, i, the duodenum, about twelve fingers; breadth in length; k, hepatic duct; l, gall bladder; m, cystic duct; n, ductus communis, formed by the union of both; o, the opening of this duct into the duodenum; p, pancreatic duct; q, its opening into the duodenum; r, jejunum; s, ilium; these constitute the small intestines, and are about 26 feet in length, or five times the length of the body; t, termination of ilium in the coecum; , u, superior fold of valve of colon; v, inferior do. ; w, coecum; x, vermiform process; y, y, colon; z, rectum. The coecum, colon, and rectum, form the large intestines, and are about 6 feet in length; the coecum being about 4 inches long, and the same in diameter. The arrows show the direction which the food takes in digestion.

Stomach

The digestive system. This figure represents the whole tract of the intestinal canal, not exactly in…

The Thoracic Duct and Lacteals. 1: Mouth of thoracic duct; 2: Lower end of duct; 3: Mesenteries; 4: Lacteals; 5: Intestine.

Thoracic Duct

The Thoracic Duct and Lacteals. 1: Mouth of thoracic duct; 2: Lower end of duct; 3: Mesenteries; 4:…

Valvulae Conniventes (folds) of the intestines.

Valvulae Conniventes of the Intestines

Valvulae Conniventes (folds) of the intestines.

The portal system of veins. a: Portal vein. b: Splenic vein. c: Right gastro-epiploic vein. d: Inferior mesenteric vein. e: Superior mesenteric vein. f: Trunk of the superior mesenteric artery. 1: Liver. 2: Stomach. 3: Spleen. 4: Pancreas. 5: Duodenum. 6: Ascending colon; the transverse colon is removed. 7: Small intestine. 8: Descending colon.

Veins

The portal system of veins. a: Portal vein. b: Splenic vein. c: Right gastro-epiploic vein. d: Inferior…

Diagram of the Body opened from the front to show the contents of the ventral cavity. Labels: d, diaphragm; h, heart; lu, lungs; st, stomach; li, liver; si, small intestines; c, large intestine

Ventral Cavity of the Body

Diagram of the Body opened from the front to show the contents of the ventral cavity. Labels: d, diaphragm;…

Villi of the small intestine. Villa are minute, vascular processes which project from the mucous membrane of the small intestine throughout its whole extend, giving to its surface a velvety appearance.

Villi of the Small Intestine

Villi of the small intestine. Villa are minute, vascular processes which project from the mucous membrane…