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Structure | Image |
---|---|

The Esophagus | |

The Stomach | |

Gross Anatomical Location of Much of the GI Tract in the Thoracic Abdomen | |

The Vermiform Appendix | |

The Rectum and Anal Canal | |

Close-up View of the Anal Canal |

Row | Structure | Abbreviation | Optimal Stain | Representative Section | Note |
---|---|---|---|---|---|

1 | Adventitia | (none), Ad | H&E | B2, Esophagus, 2.5x; B2, Esophagus, 20x | |

2 | Muscularis Externa | (none) | H&E | B2, Esophagus, 2.5x | |

3 | Submucosa | (none) | H&E | B2, Esophagus, 2.5x; B2, Esophagus, 10x | |

4 | Mucosa | (none) | H&E | B2, Esophagus, 2.5x | |

5 | Stratified Squamous Epithelium | SSE | H&E | B2, Esophagus, 10x | |

6 | Lamina Propria | LP | H&E | B2, Esophagus, 10x | |

7 | Muscularis Mucosa | MM | H&E | B2, Esophagus, 10x | |

8 | Circular Layer, Muscularis Externa | CM | H&E | B2, Esophagus, 20x | |

9 | Auerbach's (Myenteric) Plexus | AP | H&E | B2, Esophagus, 20x | |

10 | Longitudinal Layer, Muscularis Externa | LM | H&E | B2, Esophagus, 20x | |

11 | Mucous Glands | (none) | H&E | B3, Esophagus, 2.5x | |

12 | Esophagus | (none) | H&E | B1, Esophagus/Stomach Junction, 2.5x | |

13 | Cardiac Stomach | (none) | H&E | B1, Esophagus/Stomach Junction, 2.5x | |

14 | Fundus | (none) | H&E | B1, Esophagus/Stomach Junction, 2.5x |

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Row | Structure | Abbreviation | Optimal Stain | Representative Section | Note |
---|---|---|---|---|---|

1 | Ruga | (none) | H&E | B4, Stomach (Fundus), 2.5x | |

2 | Gastric Pit | P, GP | H&E, PAS | B4, Stomach (Fundus), 10x; B4, Stomach (Fundus), 2.5x; B6, Stomach (Corpus), 20x; B10, Stomach (Pylorus), 2.5x | |

3 | Fundic Gastric Gland | FG | H&E | B4, Stomach (Fundus), 10x | |

4 | Submucosa | SM | H&E | B5, Stomach (Corpus), 2.5x; B10, Stomach (Pylorus), 2.5x | |

5 | Blood Vessel | BV | H&E | B5, Stomach (Corpus), 2.5x | |

6 | Meissner's (Submucosal) Plexus | MP | H&E | B5, Stomach (Corpus), 2.5x | |

7 | Circular Layer, Muscularis Externa | CM | H&E | B5, Stomach (Corpus), 2.5x | |

8 | Auerbach's (Myenteric) Plexus | AP | H&E | B5, Stomach (Corpus), 2.5x; B5, Stomach (Corpus), 10x | |

9 | Longitudinal Layer, Muscularis Externa | LM | H&E | B5, Stomach (Corpus), 2.5x | |

10 | Lymphatic Nodule | LN | H&E | B4, Stomach (Fundus), 2.5x; B10, Stomach (Pylorus), 2.5x; B10, Pyloroduodenal Junction, 2.5x | |

11 | Parietal Cell | PC | H&E | B4, Stomach (Fundus), 40x; B4, Stomach (Fundus), 40x | |

12 | Chief Cell | CC | H&E | B4, Stomach (Fundus), 40x; B4, Stomach (Fundus), 40x | |

13 | Lymphocyte | L | H&E | B4, Stomach (Fundus), 40x | |

14 | Mucous Neck Cell | MNC | H&E, PAS | B4, Stomach (Fundus), 40x; B6, Stomach (Corpus), 20x | |

15 | Mucous Surface Cell | MSC | H&E, PAS | B4, Stomach (Fundus), 40x; B6, Stomach (Corpus), 20x | |

16 | Gastric Glands (Corpus) | GG | PAS | B6, Stomach (Corpus), 20x | |

17 | Smooth Muscle | SM | H&E | B4, Stomach (Fundus), 40x | |

18 | Muscularis Mucosa | MM | H&E | B4, Stomach (Fundus), 40x; B10, Stomach (Pylorus), 2.5x | |

19 | APUD (Enteroendocrine) Cell | (none) | Ag | B11, Pyloroduodenal Junction, 40x | |

20 | Cardiac Stomach | (none) | H&E | B1, Stomach (Cardiac), 2.5x | |

21 | Fundus | (none) | H&E | B1, Stomach (Cardiac), 2.5x | |

22 | Mucosa | M | H&E | B10, Stomach (Pylorus), 2.5x | |

23 | Muscularis Externa | ME | H&E | B10, Stomach (Pylorus), 2.5x | |

24 | Glands (Pylorus) | G | H&E | B10, Stomach (Pylorus), 2.5x | |

25 | Pyloric Sphincter | (none) | H&E | B10, Stomach (Pylorus), 2.5x | |

26 | Pyloric Stomach | (none) | H&E | B10, Stomach (Pylorus), 2.5x; B10, Pyloroduodenal Junction, 2.5x | |

27 | Duodenum | (none) | H&E | B10, Pyloroduodenal Junction, 2.5x | |

28 | Brunner's Glands | BG | H&E | B10, Pyloroduodenal Junction, 2.5x |

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Row | Structure | Abbreviation | Optimal Stain | Representative Section | Note |
---|---|---|---|---|---|

1 | Brunner's Glands | (none) | H&E | B10, Duodenum, 2.5x | |

2 | Crypts of Lieberkuhn | (none) | H&E | B10, Duodenum, 2.5x | |

3 | Villi | (none) | H&E | B10, Duodenum, 2.5x | |

4 | Lamina Propria (with Leukocytes) | LP | H&E | B10, Duodenum, 40x | |

5 | Capillary | C | H&E | B10, Duodenum, 40x | |

6 | Plasma Cell | P | H&E | B10, Duodenum, 40x | |

7 | Mitotic Figure | M | H&E | B10, Duodenum, 40x | |

8 | Lymphocyte | L | H&E | B10, Duodenum, 40x | |

9 | Goblet Cell | GC | H&E | B10, Duodenum, 40x | |

10 | Circular Layer, Muscularis Externa | CM | H&E | B10, Duodenum, 10x | |

11 | Longitudinal Layer, Muscularis Externa | LM | H&E | B10, Duodenum, 10x | |

12 | Tunica Adventitia | TA | H&E | B10, Duodenum, 10x | |

13 | Artery | A | H&E | B10, Duodenum, 10x | |

14 | Vein | V | H&E | B10, Duodenum, 10x | |

15 | Auerbach's (Myenteric) Plexus | MP | H&E | B10, Duodenum, 10x |

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Row | Structure | Abbreviation | Optimal Stain | Representative Section | Note |
---|---|---|---|---|---|

8 | Endothelial Cell | EC | H&E | B15, Jejunum, 40x | |

12 | Goblet Cell | GC | PAS | B13, Jejunum, 40x | |

2 | Intestinal Glands (Crypts) | Gl | H&E, PAS | B12, Jejunum, 2.5x; B13, Jejunum, 40x | |

11 | Lacteal | L | PAS | B13, Jejunum, 2.5x; B13, Jejunum, 40x | |

14 | Lymphocyte | Ly | PAS | B13, Jejunum, 40x | |

6 | Mitotic Figure | MF | H&E | B15, Jejunum, 40x | |

9 | Mucosa | M | PAS | B13, Jejunum, 2.5x | |

4 | Muscularis Externa | ME | H&E, PAS | B12, Jejunum, 2.5x; B13, Jejunum, 2.5x | |

10 | Plica Circulares | PC | PAS | B13, Jejunum, 2.5x | |

5 | Serosa | S | H&E | B12, Jejunum, 2.5x | |

7 | Smooth Muscle Cell | M | H&E | B15, Jejunum, 40x | |

13 | Striated Border | SB | PAS | B13, Jejunum, 40x | |

3 | Submucosa | SM | H&E, PAS | B12, Jejunum, 2.5x; B13, Jejunum, 2.5x | |

1 | Villi | V | H&E | B12, Jejunum, 2.5x |

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Row | Structure | Abbreviation | Optimal Stain | Representative Section | Note |
---|---|---|---|---|---|

1 | Paneth Cell | PC | H&E | B19, Ileum, 40x | |

2 | Intestinal Gland | Gl | H&E | B19, Ileum, 40x |

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Row | Structure | Abbreviation | Optimal Stain | Representative Section | Note |
---|---|---|---|---|---|

1 | Intestinal Gland (Crypt of Lieberkuhn) | Gl | H&E | B23, Colon, 10x | |

2 | Lacteal | L | H&E | B23, Colon, 10x | |

3 | Muscularis Mucosa | MM | H&E | B23, Colon, 10x | |

4 | Submucosa | SM | H&E, PAS | B23, Colon, 10x; B25, Colon, 2.5x | |

5 | Muscularis Externa | ME | H&E | B24, Colon, 2.5x | |

6 | Tenia Coli | TC | H&E | B24, Colon, 2.5x | |

7 | Serosa | S | H&E, PAS | B24, Colon, 2.5x; B25, Colon, 2.5x | |

8 | Mucosa | M | PAS | B25, Colon, 2.5x | |

9 | Circular Layer, Muscularis Externa | CM | PAS | B25, Colon, 2.5x | |

10 | Auerbach's (Myenteric) Plexus | MP | PAS | B25, Colon, 2.5x | |

11 | Longitudinal Layer, Muscularis Externa | LM | PAS | B25, Colon, 2.5x |

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Row | Structure | Abbreviation | Optimal Stain | Representative Section | Note |
---|---|---|---|---|---|

1 | Internal Anal Sphincter | IAS | H&E | B26, Anal Canal, 2.5x | |

2 | External Anal Sphincter | EAS | H&E | B26, Anal Canal, 2.5x | |

3 | Lymphatic Nodule | LN | H&E | B26, Anal Canal, 2.5x | |

4 | Muscularis Mucosa | MM | H&E | B26, Anal Canal, 2.5x | |

5 | Intestinal Glands | Gl | H&E | B26, Anal Canal, 2.5x | |

6 | Rectum | (none) | H&E | B26, Anal Canal, 10x | |

7 | Anal Canal | (none) | H&E | B26, Anal Canal, 10x | |

8 | Rectal Glands | Gl | H&E | B26, Anal Canal, 10x | |

9 | Simple Columnar Epithelium | SCE | H&E | B26, Anal Canal, 10x | |

10 | Stratified Cuboidal Epithelium | StC | H&E | B26, Anal Canal, 10x | |

11 | Stratified Columnar Epithelium | StCol | H&E | B26, Anal Canal, 10x | |

12 | Perianal Skin | (none) | H&E | B26, Anal Canal, 20x | |

13 | Stratified Squamous Epithelium (Keratinized) | (none) | H&E | B26, Anal Canal, 20x |

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Row | Structure | Abbreviation | Optimal Stain | Representative Section | Note |
---|---|---|---|---|---|

1 | Adventitia | (none), Ad | H&E | B2, Esophagus, 2.5x; B2, Esophagus, 20x; B10, Duodenum, 10x | |

2 | Muscularis Externa | (none), ME | H&E, PAS | B2, Esophagus, 2.5x; B10, Stomach (Pylorus), 2.5x; B12, Jejunum, 2.5x; B13, Jejunum, 2.5x; B24, Colon, 2.5x | |

3 | Submucosa | (none), SM | H&E, PAS | B2, Esophagus, 2.5x; B2, Esophagus, 10x; B5, Stomach (Corpus), 2.5x; B10, Stomach (Pylorus), 2.5x; B12, Jejunum, 2.5x; B13, Jejunum, 2.5x; B23, Colon, 10x; B25, Colon, 2.5x | |

4 | Mucosa | (none), M | H&E, PAS | B2, Esophagus, 2.5x; B10, Stomach (Pylorus), 2.5x; B13, Jejunum, 2.5x; B25, Colon, 2.5x | |

5 | Stratified Squamous Epithelium | SSE | H&E | B2, Esophagus, 10x | |

6 | Lamina Propria | LP | H&E | B2, Esophagus, 10x; B10, Duodenum, 40x | |

7 | Muscularis Mucosa | MM | H&E | B2, Esophagus, 10x; B4, Stomach (Fundus), 40x; B10, Stomach (Pylorus), 2.5x; B23, Colon, 10x; B26, Anal Canal, 2.5x | |

8 | Circular Layer, Muscularis Externa | CM | H&E, PAS | B2, Esophagus, 20x; B5, Stomach (Corpus), 2.5x; B10, Duodenum, 10x; B25, Colon, 2.5x | |

9 | Auerbach's (Myenteric) Plexus | AP, MP | H&E, PAS | B2, Esophagus, 20x; B5, Stomach (Corpus), 2.5x; B5, Stomach (Corpus), 10x; B10, Duodenum, 10x; B25, Colon, 2.5x | |

10 | Longitudinal Layer, Muscularis Externa | LM | H&E, PAS | B2, Esophagus, 20x; B5, Stomach (Corpus), 2.5x; B10, Duodenum, 10x; B25, Colon, 2.5x | |

11 | Mucous Glands | (none) | H&E | B3, Esophagus, 2.5x | |

12 | Esophagus | (none) | H&E | B1, Esophagus/Stomach Junction, 2.5x | |

13 | Cardiac Stomach | (none) | H&E | B1, Esophagus/Stomach Junction, 2.5x; B1, Stomach (Cardiac), 2.5x | |

14 | Fundus | (none) | H&E | B1, Esophagus/Stomach Junction, 2.5x | |

15 | Ruga | (none) | H&E | B4, Stomach (Fundus), 2.5x | |

16 | Gastric Pit | P, GP | H&E, PAS | B4, Stomach (Fundus), 10x; B4, Stomach (Fundus), 2.5x; B6, Stomach (Corpus), 20x; B10, Stomach (Pylorus), 2.5x | |

17 | Fundic Gastric Gland | FG | H&E | B4, Stomach (Fundus), 10x | |

18 | Blood Vessel | BV | H&E | B5, Stomach (Corpus), 2.5x | |

19 | Meissner's (Submucosal) Plexus | MP | H&E | B5, Stomach (Corpus), 2.5x | |

20 | Lymphatic Nodule | LN | H&E | B4, Stomach (Fundus), 2.5x; B10, Stomach (Pylorus), 2.5x; B10, Pyloroduodenal Junction, 2.5x; B26, Anal Canal, 2.5x | |

21 | Parietal Cell | PC | H&E | B4, Stomach (Fundus), 40x; B4, Stomach (Fundus), 40x | |

22 | Chief Cell | CC | H&E | B4, Stomach (Fundus), 40x; B4, Stomach (Fundus), 40x | |

23 | Lymphocyte | L, Ly | H&E, PAS | B4, Stomach (Fundus), 40x; B10, Duodenum, 40x; B13, Jejunum, 40x | |

24 | Mucous Neck Cell | MNC | H&E, PAS | B4, Stomach (Fundus), 40x; B6, Stomach (Corpus), 20x | |

25 | Mucous Surface Cell | MSC | H&E, PAS | B4, Stomach (Fundus), 40x; B6, Stomach (Corpus), 20x | |

26 | Gastric Glands (Corpus) | GG | PAS | B6, Stomach (Corpus), 20x | |

27 | Smooth Muscle | SM | H&E | B4, Stomach (Fundus), 40x | |

28 | APUD (Enteroendocrine) Cell | (none) | Ag | B11, Pyloroduodenal Junction, 40x | |

29 | Fundus | (none) | H&E | B1, Stomach (Cardiac), 2.5x | |

30 | Glands (Pylorus) | G | H&E | B10, Stomach (Pylorus), 2.5x | |

31 | Pyloric Sphincter | (none) | H&E | B10, Stomach (Pylorus), 2.5x | |

32 | Pyloric Stomach | (none) | H&E | B10, Stomach (Pylorus), 2.5x; B10, Pyloroduodenal Junction, 2.5x | |

33 | Duodenum | (none) | H&E | B10, Pyloroduodenal Junction, 2.5x | |

34 | Brunner's Glands | BG, (none) | H&E | B10, Pyloroduodenal Junction, 2.5x; B10, Duodenum, 2.5x | |

35 | Crypts of Lieberkuhn (Intestinal Glands) | (none), Gl | H&E | B10, Duodenum, 2.5x; B12, Jejunum, 2.5x; B13, Jejunum, 40x; B19, Ileum, 40x; B23, Colon, 10x; B26, Anal Canal, 2.5x | |

36 | Villi | (none) | H&E | B10, Duodenum, 2.5x; B12, Jejunum, 2.5x | |

37 | Capillary | C | H&E | B10, Duodenum, 40x | |

38 | Plasma Cell | P | H&E | B10, Duodenum, 40x | |

39 | Mitotic Figure | M, MF | H&E | B10, Duodenum, 40x; B15, Jejunum, 40x | |

40 | Goblet Cell | GC | H&E, PAS | B10, Duodenum, 40x; B13, Jejunum, 40x | |

41 | Artery | A | H&E | B10, Duodenum, 10x | |

42 | Vein | V | H&E | B10, Duodenum, 10x | |

43 | Serosa | S | H&E, PAS | B12, Jejunum, 2.5x; B24, Colon, 2.5x; B25, Colon, 2.5x | |

44 | Smooth Muscle Cell | M | H&E | B15, Jejunum, 40x | |

45 | Endothelial Cell | EC | H&E | B15, Jejunum, 40x | |

46 | Plica Circulares | PC | PAS | B13, Jejunum, 2.5x | |

47 | Lacteal | L | PAS, H&E | B13, Jejunum, 2.5x; B13, Jejunum, 40x; B23, Colon, 10x | |

48 | Striated Border | SB | PAS | B13, Jejunum, 40x | |

49 | Paneth Cell | PC | H&E | B19, Ileum, 40x | |

50 | Tenia Coli | TC | H&E | B24, Colon, 2.5x | |

52 | Internal Anal Sphincter | IAS | H&E | B26, Anal Canal, 2.5x | |

53 | External Anal Sphincter | EAS | H&E | B26, Anal Canal, 2.5x | |

54 | Rectum | (none) | H&E | B26, Anal Canal, 10x | |

55 | Anal Canal | (none) | H&E | B26, Anal Canal, 10x | |

56 | Rectal Glands | Gl | H&E | B26, Anal Canal, 10x | |

57 | Simple Columnar Epithelium | SCE | H&E | B26, Anal Canal, 10x | |

58 | Stratified Cuboidal Epithelium | StC | H&E | B26, Anal Canal, 10x | |

59 | Stratified Columnar Epithelium | StCol | H&E | B26, Anal Canal, 10x | |

60 | Perianal Skin | (none) | H&E | B26, Anal Canal, 20x | |

61 | Stratified Squamous Epithelium (Keratinized) | (none) | H&E | B26, Anal Canal, 20x |

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Topic revision: r2 - 20 Jun 2015, LorenEvey

- Epithelium
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