. The anatomy of the frog. Frogs -- Anatomy; Amphibians -- Anatomy. 300 THE ALIMENTARY TRACT, ETC. a. A serous coat of peritoneal endotlielium. /3. A muscular coat, containing unstriated muscle-fibres and con nective-tissue. y. A sub-mucous coat of areolar-tissue Fig. 199. b. An intenial lining of columnar epithelium. e. The walls of the gall-l)ladder are richly supplied with blood-ves- sels from the cystic ar- teries (p. 233) ; these form a close network in the submucous coat. ^. The muscular and submucous coats also possess a rich nervous plexus, which contains ganglia and resembles Auerbaeh
. The anatomy of the frog. Frogs -- Anatomy; Amphibians -- Anatomy. 300 THE ALIMENTARY TRACT, ETC. a. A serous coat of peritoneal endotlielium. /3. A muscular coat, containing unstriated muscle-fibres and con nective-tissue. y. A sub-mucous coat of areolar-tissue Fig. 199. b. An intenial lining of columnar epithelium. e. The walls of the gall-l)ladder are richly supplied with blood-ves- sels from the cystic ar- teries (p. 233) ; these form a close network in the submucous coat. ^. The muscular and submucous coats also possess a rich nervous plexus, which contains ganglia and resembles Auerbaeh^s plexus of the intestine (Popoff, Ger- lach).] B. The Pancreas (Fig. 199 P). a. General descrip- tion. The pancreas is a flattened, light yel- lowish - browai organ, placed in the loop of the duodenum between this latter and the stomach. The whole organ is within the gastro-duodenal liga- ment, and is attached to the liver; hence it is little influenced by changes in the amount of distension of the stomach or intestine. The organ may be completely exposed by either of two methods : in the former, the liver, stomach, and duodenum are drawn towards the head and. The pancrea-s and bile-canals. The liver has been displaced towards the head. Dc Common bile-duct. Del Common bile-duct after leaving tlie pancreas. Dc2 Opening of the common bile-duct into tlie duodenum. Dcy Cystic ducts. Dh Hepatic ducts. Dhi Supplementary hepatic ducts from the middle lobe of the liver. Du Duodenum. G Gall-bladder. L Left lobe of the liver. LI Right lobe of the liver. L2 Middle lobe of the liver. L3 Fourth lobe of the liver. Lhp Gastro-hepatic ligament. M Stomach. P Pancreas. Pl Ducts of the pancreas. Py Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ecker, Alexander, 1816-1887; Haslam, George. Oxford, Clarendon Press
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