C1:S4 - Histology Flashcards
1
Q
What are the 4 common histological layers of the GI tract?
A
- Mucosa
- Submucosa
- Muscularis externa
- Serosa/adventitia
2
Q
What are the 3 layers of the mucosa?
A
- Epithelium
- Lamina propria
- Muscularis mucosae
3
Q
What are the 4 types of mucosa in the GI Tract?
A
- Protective
- Secretory
- Absorptive
- Absorptive/protective
4
Q
Identify the 4 types of mucosa
A
- Oral cavity, Pharynx, Oesophagus and Anal Canal = PROTECTIVE
- Stomach = SECRETORY
- Small intestine = ABSORPTIVE
- Large intestine = ABSORPTIVE/PROTECTIVE
5
Q
What type of epithelium lines the anal canal?
A
Protective