Laboratory exercises for abdominal organs
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1 Laboratory exercises for abdominal organs
2 Slide #77 (C007- H- 107A). Pancreas, dog. pancreatic islets CENTROACINAR CELLS ARE THE BEGINNING CELLS OF THE INTERCALATED DUCTS THAT DRAIN THE SECRETORY ACINI OF THE PANCREAS. THEY SECRETE BICARBONATE serous acini INTERCALATED DUCTS
3 Bile Canaliculi Bile luminal surfaces 155 Bile ducts Blood luminal surface
4 Slide #77 (C007- H- 107A). Pancreas, dog. INTERCALATED DUCTS pancreatic islets Pancreas has Islets and centroacinar cells, but no striated ducts Compared to the salivary glans The salivary gland has striated ducts, but no Islets and centroacinar cells Striations in base of duct cells Demo 186 Salivary gland
5 Slide #193 (GT ). Pancreas, goat. CENTROACINAR CELLS are the beginning of the intercalated duct that originated within the lumen of the ancina pancreatic islets INTERCALATED DUCTS
6 DEMO SLIDE BOX 180 Small intestine (duodenum) and pancreas, dog. (157) CENTROACINAR CELLS pancreatic islet
7 Slide #93 (1017) - Pancreas and duodenum, cat.) Pancreas duodenum Dispersed pancreatic islet cells CENTROACINAR CELLS
8
9 155 Portal radicles containing: A bile duct Branch of portal vein, Branch of hepatic artery Lymphatic vessel (usually) or portal canals Liver 155 Cords of hepatocytes
10 Liver
11 Bile Canaliculi Bile luminal surfaces 155 Bile duct Blood luminal surface
12 DEMO SLIDE BOX 169 (P001- H- 84B) Liver, pig. hepatic lobules hepatocytes Sinusoids discontinuous
13 DEMO SLIDE BOX 169 (P001- H- 84B) Liver, pig. Hepatic sinusoids flow between rows of hepatocytes toward the central vein. venule which is a branch of the portal vein hepatic lobule capsule portal triad. arteriole, which is a branch of the hepatic artery either simple cuboidal or simple columnar epithelium Of bile duct. interlobular connective tissue are larger veins, not accompanied by an artery and a duct, named sublobular veins
14 Slide #45 (Pig 1-87c). Liver, Pig. hepatic lobule portal triad. venule bile duct artery Central vein
15 DEMO SLIDE BOX 170 (E3- H- 84-1). Liver, horse. Space of Disse Hepatic sinusoids flow between rows of hepatocytes toward the central vein. portal triad.
16 HEPATOCYTE SPACE OF DISSE BILE CANALICULI
17 capsule Sinusoids discontinuous Slide #48 (PF5-76B). Liver & gall bladder, pig. Kupffer cells central vein Mesothelium of capsule portal triad.
18 Kupffer cells (i.e. the liver macrophages lining the sinusoids) are noticeable because they ingested black Kupffer cells Slide #48 (PF5-76B). Liver & gall bladder, pig. Mesothelium of capsule Kupffer cells portal triad.
19 Slide #48 (PF5-76B). Liver & gall bladder, pig. Microvilli occur apically but are difficult to see gallbladder No muscularis mucosae occurs so the lamina propria blends with the submucosa. Note the tunica muscularis is not well organized. The thick layer of CCT outside the tunica muscularis is called the perimuscular connective tissue layer.
20 Slide #48 (PF5-76B). Liver & gall bladder, pig. gallbladder
21 Slide #167 (M- 1 87F). Liver, monkey Central vein Kupffer cells
22 Slide #111 (87NG) Liver, goat
23 Slide #117 (SP- 1-61) - Liver and gallbladder, sheep.
24 Slide #117 (SP- 1-61) - Liver and gallbladder, sheep.
25
26 Gallbladder 155 The mucosa is thrown into folds which project into the lumen of the gallbladder. Peritoneal serosal layer Smooth muscle layer or branching layers Lamina propria. A thick perimuscular layer of connective tissue. Simple columnar epithelium
27 The gallbladder stores and concentrates the bile elaborated 155 Mucosa by the liver Plasma cells In the lamina propria Simple columnar epithelium
28 126 Bile duct with portal vein, monkey Portal vein Common hepatic duct Cystic duct The wall of the cystic duct is convoluted and contains abundant smooth muscle fibers which represent the spiral valve preventing distention or collapse of the cystic duct when the latter is subject to sudden changes of pressure.
29 Slide # 94 (Rbt- 87G) Liver, rabbit.
30 DEMO SLIDE BOX 58 - Liver and gallbladder, dog.
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