1. Stomach gastric pits muscularis mucosae stratum compactum
DEMO SLIDE BOX 178 (F-H-143)- Stomach, cat.
gastric pits
muscularis mucosae
stratum
compactum
lamina propria
parietal cells
chief (zymogenic) cells
tunica muscularis
lamina subglandularis
submucosa

2. DEMO SLIDE BOX 178 (F-H-143)- Stomach, cat.
CIRCULAR,
LONGITUDINAL,
CIRCULAR
muscularis mucosae (three layers)
stratum
compactum
Muscularis
mucosae
muscularis mucosae

3. DEMO SLIDE BOX 178 (F-H-143)- Stomach, cat.
Not well defined stratum
compactum
muscularis mucosae (three layers)
chief (zymogenic) cells
CIRCULAR, LONGITUDINAL, CIRCULAR
parietal cells

4. Mucus neck cells Fundic stomach, rabbit (toluidine blue)
244
Enteroendocrine
cells
Chief cells
Parietal cell

5. DEMO SLIDE BOX 51 - Stomach, dog.
pyloric gland region.
pyloric glands =MUCOUS
Gastric pits
thickened tunica muscularis
= PYLORIC SPHINCTER
solitary lymph nodules

6. DEMO SLIDE BOX 51 - Stomach, dog.
PROPER GASTRIC GLANDS HAVE PARIETAL AND CHIEF CELLS PRESENT
PROPER GASTRIC GLANDS with PARIETAL
AND CHIEF CELLS PRESENT

7. DEMO SLIDE BOX 163 (P001-H-141,142,144) - Stomach, pig.
PROPER
PROPER: PARIETAL AND CHIEF CELLS

8. DEMO SLIDE BOX 163 (P001-H-141,142,144) - Stomach, pig.
CARDIAC
PYLORIC
CARDIAC: GLANDS HAVE CELLS WITH ROUND NUCLEI
PROPER
PYLORIC: GLANDS HAVE CELLS WITH FLAT NUCLEI
the serous-type cells lining in pits
and high density of lymphocytes

9. DEMO SLIDE BOX 164 (O-001-H-142AB) - Abomasum, sheep.
spiral folds.
PROPER

10. Slide #179 (GT-1 174)- Abomasum, goat.
abomasum not taken from the proper gastric gland region as no chief or partial cells
serosa
Smooth muscle
Of externa

11. Slide #179 (GT-1 174)- Abomasum, goat.
Three layers of tunica muscularis
Nerve cell body
In submucosa
nerve
Nerve cell body in
tunica muscularis
capillary
lymphatic
venule
arteriole
muscularis mucosae

12. Slide # 29. Esophagus, proventriculus, and gizzard, chicken
thick tunica
muscularis
SMOOTH MUSCLE
gizzard =
ventriculus
stratified squamous epithelium
simple columnar
epithelium
The proventricular glands in the lamina propria are the outstanding features of this organ.
KOILIN

13. DEMO SLIDE 177 (831) - Esophagus, proventriculus, and gizzard, chicken

14. DEMO SLIDE BOX 53 - Demo slide # 53a Proventriculus, chicken.
lymphatic nodules
Side of the gizzard /
ventriculus
submucosa layer is very thin

15. DEMO SLIDE BOX 54 - Demo slide # 54a. Gizzard, chicken.
gizzard = ventriculus
tunica muscularis is very thick and has a “diamond appearance”
simple tubular glands lined with simple cuboidal epithelium
Submucosa
diamond appearance” of
tunica muscularis
CCT
thick koilin,
secreted by the glands
of the lamina propria.
muscularis mucosae is absent

16. DEMO SLIDE BOX 55 – Demo slide #55. Gizzard, chick.
muscularis mucosae is absent
CCT is stained green (blue)
tunica
muscularis
“diamond
appearance”
created by the CCT interlacing the tunica muscularis not seen in developing gizzard better seen in Demo slide 54a below

17. Slide #40 (CK1 75/98/115B) Proventriculus, chicken.
Gizzard
Esophagus
Proventriculus
thick koilin,
secreted by the glands
of the lamina propria

18. Demo slide # 53b- Gizzard???, chicken
Proventriculus

19. Demo slide 54a thick koilin tunica muscularis “diamond appearance”
created by the CCT interlacing the tunica muscularis not seen in developing gizzard

20. Slide #92 (Sp 804-102F). Rumen, sheep.
Ruminant Forestomach
ruminal papilla
tunica muscular
is arranged in
two distinct layers
keratinized stratified
squamous epithelium
mesothelium
No muscularis mucosae is
present
serosa
submucosa

21. DEMO SLIDE BOX 52 - Demo slide # 52. Rumen, cow.
papillae
The stratified squamous epithelium varies in thickness and the keratin is not readily seen
serosa
tunica muscularis is composed of
two layers of smooth muscle
numerous papillae

22. DEMO Slide #228 (O-001-H-142RU). Rumen, sheep.
keratinized stratified
squamous epithelium
numerous papillae

23. Slide #90 (1124). Reticulum, steer.
large projections are termed reticular crests, while the smaller ones are papillae.
muscularis mucosae
of the reticulum is incomplete
no muscularis mucosae is present in the papillae.

24. Slide #32 (O-001-H-142-RE). Reticulum, sheep.
no muscularis mucosae is present in the shorter papillae.
muscularis mucosae
muscularis mucosae
of the reticulum is incomplete
in the reticular crests

25. Slide #195 (BV 5 101b). Reticulum, cow.
muscularis mucosae
of the reticulum is incomplete
in the reticular crests
mesothelium
serosa

26. Slide #191 (GT-1-93). Omasum, goat.
mucosal projections of this compartment are quite long (“spider leggy”) and are termed omasal laminae
muscularis mucosae is complete and strands of smooth muscle derived from the tunica muscularis are also present in the laminae.

27. Slide #196 (BV 5 88a). Omasum, cow.
serosa
tunica muscularis
large
muscular artery
muscularis mucosae
is complete
nerve
CCT
omasal laminae
unilocular adipose cells

28. Slide #91 (98-B-OM-8A)- Omasum, cow.
muscularis mucosae is complete and strands of smooth muscle derived from the tunica muscularis are also present in the laminae.

29. Slide #33 (O-001-H-142-RE) - Omasum, sheep.
muscularis mucosae
is complete
omasal laminae