Slot 4.1: Submandibular (left) and sublingual (right) glands

m = mucous, s = serous, x = mixed, d = duct

Serous demilunes D = duct; F = adipose cells

Mucous aciniMucous acini

Slot 4.2: Parotid Gland

uct

Serous Acini

Slot 4.3: Gastric mucosa diagram(left to right,

pyloric, fundic,

cardaic)

Slot 4.4: Stomach sections

P=parietalC=chiefN=mucous neckL=lamina propriaArrows=entero- endocrine cells

Base of gastric glands Neck of gastric glands

Gastric pits and gastric glands Gastric pits and gastric glands

P=parietalI=isthmusN=neckL=lamina propriaArrows (left) = mucusArrows (right) = gastric pits

Slot 4.5: Small intestine sections

Ileum - villus Intestinal epithelium on villi

g = goblet cell; arrowhead = brush border;Arrows = enteroendocrine cells; L = laminapropria; c = capillary, m = smooth musclecell

b = brush border; arrowheads = golgi;Arrows = junctional complexes joiningadjacent cells

Slot 4.7: Large intestine sections

Large intestine Colon: Rectoanal junction

Slot 4.6: Appendix

L = lumenM = mucosaS = submucosaa = adiposeF = muscularisArrows = cryptsArrowheads = lymph nodules

Slot 4.8: Liver

C = central vein; P = portal canal

Sinusoids

Hepatocytes

Slot 4.9: Diagram

of hepatic lobule

Slot 4.10: Liver

sections

LEFT:C = central veinP = portal canalArrows=sinusoidsRIGHT:e = endotheliumArrows=Kupffer cellsArrowhead = binucleate hepa- tocyte

Central Vein Portal Canal

Reticular fibers

Sinusoids emptyinginto central vein

Portal Vein

= lymph vessel

Bile duct

Hepatic artery

Slot 4.11: Gall bladder sections

g = mucous glandsM = muscularisA = adventitia

Simple columnarepithelium

Laminapropria

c = capillariesa = arteriolev = venuleArrowhead = golgi

Laminapropria

Slot 4.12: Tongue - circumvallate papilla

Primary papilla

Secondary papilla

Taste buds

von Ebner’s glands

Slot 4.13: Tongue - foliate papillae

Secondary papilla

Taste buds

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

Lamina propria

Muscularis externa

Slot 4.17: Esophagogastric junction

Note change in epithelial lining at the arrowsStomach = left; Esophagus = right

Gastric pit

Submucosal mucous glands

Muscularis mucosae

Slot 4.18: Stomach (fundus and pylorus)

Gastric pit

Gastric glands

Gastric pit

Gastric glands

Fundus = short pits, long glands Pylorus = deep pits, medium glands

Slot 4.19: Gastric glands

Chief Cell

Enteroendocrine Cell

Slot 4.20: Gastric glands

Chief Cells

Parietal Cells

Slot 4.21: Gastroduodenal junction

Note change in thickness ofthe muscularis externa

(Pylorus = right; Duodenum = left)

Brunner’s Glands

Crypts

Villi

Slot 4.22: Small intestine sectionsLeft to Right: duodenum, jejunum, ileum

Duodenum with Brunner’s glands in submucosaJejunum with thickest mucosaIleum with Peyer’s patches in lamina propria/submucosa

Brunner’s glandsPeyer’s patches

Slot 4.23: Intestinal epithelium (simple columnar)

Brush border

Goblet cell

Slot 4.24: Duodenum (Brunner’s Glands)

Brunner’s glands

Crypt of Lieberkuhn

Slot 4.26: Meissner’s plexus/Auerbach’s plexus

Muscularismucosae

Ganglion cells ofMeissner’s plexus

Muscularisexterna

Ganglion cell ofAuerbach’s plexus

Slot 4.28: Ileum

VillusVillus

Lamina propria

Goblet cell

Slot 4.29: Appendix

Crypt of Lieberkuhn

Lymph nodule

Submucosa

Muscularis externa

IC

OL

Slot 4.30: Jejunum (blood supply)

V = villiS = submucosaF = muscularis externaP = serosa

Arrow = Vessels run parallel with muscle fibers in inner circular layer of M. externa

Slot 4.31: Small Intestine (blood supply)

V = villiS = submucosaF = muscularis externaP = serosa

V

S

F

P

Slot 4.32: Large intestine section

Intestinal crypts – note abundance of goblet cells

Slot 4.33: Liver section

Central vein

Portal systemRough outlineof liver lobule

Slot 4.34: Liver (blood supply)

Central vein

Portal vein

Sinusoids

Slot 4.35: Liver (hepatocytes and sinusoids)

Endothelial cell

Hepatocyte(note binucleate

condition)

Slot 4.36: Liver (portal canals)

Nerve

Bile duct

Portal Vein

Hepatic artery

Lymph vessel

Bile duct

Lymph vessel

Hepatic artery

Slot 4.37: Liver section

CentralVein

Hepatocytes

Endothelial cells

Slot 4.38: Gall bladder section

Simple columnar epithelium

Lamina propria

Muscularis

Adventitia

Slot 4.39: Jejunum

VillusVillus

Crypts of Lieberkuhn

Muscularis mucosae

Submucosa

Muscularis externa

Slot 2.55: Circumvallate papilla

Primary papilla

Secondary papilla

Taste buds

von Ebner’s glands

Slot 2.56: Taste buds (Tongue)

Secondary papilla

Taste buds

Taste pore

Taste receptor cell

Sustentacular cell

Basal cell

Slot 2.59: Fundic stomach

Chief Cell

Enteroendocrine Cell

Slot 2.60: Duodenum

Brunner’s Glands

Crypt

Villus

Slot 2.61: Ileum

VillusVillus

Lamina propria

Goblet cell