Slot 4 1 Submandibular left and sublingual right

Slot 4. 1: Submandibular (left) and sublingual (right) glands m = mucous, s = serous, x = mixed, d = duct Mucous acini Serous demilunes D = duct; F = adipose cells

Slot 4. 2: Parotid Gland Serous Acini uct

Slot 4. 3: Gastric mucosa diagram (left to right, pyloric, fundic, cardaic)

P=parietal C=chief N=mucous neck L=lamina propria Arrows=enteroendocrine cells Slot 4. 4: Stomach sections Base of gastric glands Neck of gastric glands P=parietal I=isthmus N=neck L=lamina propria Arrows (left) = mucus Arrows (right) = gastric pits Gastric pits and gastric glands

Slot 4. 5: Small intestine sections g = goblet cell; arrowhead = brush border; Arrows = enteroendocrine cells; L = lamina propria; c = capillary, m = smooth muscle cell Ileum - villus b = brush border; arrowheads = golgi; Arrows = junctional complexes joining adjacent cells Intestinal epithelium on villi

Slot 4. 7: Large intestine sections Large intestine Colon: Rectoanal junction

Slot 4. 6: Appendix L = lumen M = mucosa S = submucosa a = adipose F = muscularis Arrows = crypts Arrowheads = lymph nodules

Slot 4. 8: Liver Sinusoids Hepatocytes C = central vein; P = portal canal

Slot 4. 9: Diagram of hepatic lobule

LEFT: C = central vein P = portal canal Arrows=sinusoids RIGHT: e = endothelium Arrows=Kupffer cells Arrowhead = binucleate hepatocyte Slot 4. 10: Liver sections Hepatic artery Bile duct Portal Vein Reticular fibers Sinusoids emptying into central vein = lymph vessel Central Vein Portal Canal

Slot 4. 11: Gall bladder sections Simple columnar epithelium Lamina propria g = mucous glands M = muscularis A = adventitia Lamina propria c = capillaries a = arteriole v = venule Arrowhead = golgi

Slot 4. 12: Tongue - circumvallate papilla Taste buds Primary papilla Secondary papilla von Ebner’s glands

Slot 4. 13: Tongue - foliate papillae Taste buds Secondary papilla von Ebner’s glands

Slot 4. 14: Tongue - foliate papillae Secondary papilla Taste buds von Ebner’s glands

Slot 4. 15: Esophagus (c. s. )

Slot 4. 16: Esophagus section Mucosa (stratified squamous epithelium) Submucosa Muscularis externa Lamina propria

Slot 4. 17: Esophagogastric junction Submucosal mucous glands Muscularis mucosae Gastric pit Note change in epithelial lining at the arrows Stomach = left; Esophagus = right

Slot 4. 18: Stomach (fundus and pylorus) Gastric pit Gastric glands Fundus = short pits, long glands Gastric pit Gastric glands Pylorus = deep pits, medium glands

Slot 4. 19: Gastric glands Enteroendocrine Cell Chief Cell

Slot 4. 20: Gastric glands Parietal Cells Chief Cells

Slot 4. 21: Gastroduodenal junction Villi Crypts Brunner’s Glands Note change in thickness of the muscularis externa (Pylorus = right; Duodenum = left)

Slot 4. 22: Small intestine sections Left to Right: duodenum, jejunum, ileum Duodenum with Brunner’s glands in submucosa Jejunum with thickest mucosa Ileum with Peyer’s patches in lamina propria/submucosa Brunner’s glands Peyer’s patches

Slot 4. 23: Intestinal epithelium (simple columnar) Goblet cell Brush border

Slot 4. 24: Duodenum (Brunner’s Glands) Crypt of Lieberkuhn Brunner’s glands

Slot 4. 26: Meissner’s plexus/Auerbach’s plexus Muscularis mucosae Muscularis externa Ganglion cells of Meissner’s plexus Ganglion cell of Auerbach’s plexus

Slot 4. 28: Ileum Goblet cell Lamina propria Villus

Slot 4. 29: Appendix Crypt of Lieberkuhn Lymph nodule Submucosa IC Muscularis externa OL

Slot 4. 30: Jejunum (blood supply) V = villi S = submucosa F = muscularis externa P = serosa Arrow = Vessels run parallel with muscle fibers in inner circular layer of M. externa

Slot 4. 31: Small Intestine (blood supply) V = villi S = submucosa F = muscularis externa P = serosa V S F P

Slot 4. 32: Large intestine section Intestinal crypts – note abundance of goblet cells

Slot 4. 33: Liver section Rough outline of liver lobule Portal system Central vein

Slot 4. 34: Liver (blood supply) Portal vein Sinusoids Central vein

Slot 4. 35: Liver (hepatocytes and sinusoids) Hepatocyte (note binucleate condition) Endothelial cell

Slot 4. 36: Liver (portal canals) Hepatic artery Bile duct Lymph vessel Nerve Lymph vessel Portal Vein Bile duct Hepatic artery

Slot 4. 37: Liver section Hepatocytes Endothelial cells Central Vein

Slot 4. 38: Gall bladder section Simple columnar epithelium Lamina propria Muscularis Adventitia

Slot 4. 39: Jejunum Crypts of Lieberkuhn Muscularis mucosae Submucosa Muscularis externa Villus

Slot 2. 55: Circumvallate papilla Taste buds Secondary papilla Primary papilla von Ebner’s glands

Slot 2. 56: Taste buds (Tongue) Taste buds Taste pore Taste receptor cell Sustentacular cell Basal cell Secondary papilla

Slot 2. 59: Fundic stomach Enteroendocrine Cell Chief Cell

Slot 2. 60: Duodenum Villus Crypt Brunner’s Glands

Slot 2. 61: Ileum Goblet cell Lamina propria Villus