Flow Chart - Digestive Tract Mucosal Epithelium 

Digestive Tract Mucosal Epithelium

Stratified Squamous Epi.

Keratinized

- Lips

- Cheek (ruminants have cocical buccal papillae)

-Hard Palate (thick in ruminant)

- Tongue (dorsal side)

- Esophagus (slightly in Pig/Horse & highly in ruminants)

- Rumen

- Reticulum

- Omasum

- Cutaneous Zone of Anal canal

- Oral cavity of Avian

- Esophagus & Crop of Avian

- Vent (Avian)

Non- Keratinized

​- Cheek (may or may not be)

- Soft palate

- Esophagus (Dog)

- Tongue (Ventral side/ Gustatory papillae)

- Columnar & Intermediate Zone of Anal Canal

Cuboidal Epi.

- Glands of cardiac region & Cheif/Parietal of Fundic region

- Glands of Proventriculus (Avian)

Simple Columnar Epi

- Lining of Glandular stomach/ Abomasum (Gastric pits)

-Small Intestine of mammal and avian (have microvilli)

- Large Intestine of mammal and avian (no microvilli)

-Proventriculus (Avian)

-Cloaca (Avian)

Simple Columnar w/ Keratenoid

- Ventriculus (Avian)