1. ME SM E MM LP EG SM ME (circular) ESOPHAGUS

2. ME (circular) ME (longitudinal) Myenteric plexus ESOPHAGUS PARASYMPATHETICS

3. Esophagus (SSNK) Stomach (SC) ESOPHOGASTRIC JUNCTION

4. Esophagus Cardiac stomach MG

5. 1. Mucosa (glands) 2. Submucosa (no glands) 3. Muscularis Externa 4. Serosa Layers of the Stomach

6. Pit Isthmus Neck Base Gastric Glands (gastric region only)

7. Pit Cells Parietal Cells Chief Cells

8. Parietal cell (HCL, HI) Mitochondria rich Chief cell (pepsinogen) RER rich

9. Deep pits MM Pyloric Region

10. Intestinal villi Pylorus w/ ruga Pyloric sphincter Brunner’s glands

11. Plicae circulares No Brunner’s glands (not duodenum) villi

12. villi LP MM BG Pyloric glands circular longitudinal Duodenum Pyloric stomach

13. Goblet cell enterocyte lacteal

14. Paneth cells Stem cells

15. Ileum Peyer’s patch

16. Ileum Appendix Peyer’s patch

17. Large intestine--Colon Intestinal gland NO VILLI

18. Teniae coli Large intestine

19. sinusoids Portal space Sublobular V Distributing vessels To Hepatic vein Central vein

20. Cords of hepatocytes sinusoids Bile duct Portal vein Hepatic artery

21. Ito cell Space of Disse Bile Canaliculus Lumen of sinusoid Lumen of sinusoid

22. Gallbladder

23. MD

24. A B C D A =Vascular pole, B=glomerulus, C=urinary space, D= urinary pole Parietal layer of Bowman’s capsule

25. MD G P P D D Microvilli of proximal tubule

26. Glomerulus Renal lobule Medullary Ray

27. Ureter

28. Urinary bladder

30. Zona pellucida granulosa Primary Follicle Primordial Follicle Antrum Secondary Follicle granulosa