slot 4.1: submandibular (left) and sublingual (right) glands
DESCRIPTION
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. uct. Serous Acini. Slot 4.3: Gastric mucosa diagram (left to right, pyloric, fundic, cardaic). - PowerPoint PPT PresentationTRANSCRIPT
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