GI histology Flashcards
what kind of epithelium is found in the oesophagus?
stratified squamous epithelium
what does stratified mean?
in layers
why is the oesophagus epithelium stratified?
layers for protection
what do all epithelia rest on?
a basement membrane
What is lamina propria and what two layers is it between in the oesophagus?
a connective tissue layer with blood vessels between the epithelium and muscularis mucosa
what 3 layers are part of the mucosa in the oesophagus?
epithelium lamina propria muscularis mucosa
whats in the submucosa of the oesophagus?
connective tissue layer with mucus glands and blood vessels
how many layers of muscle fibres in the oesophagus?
2
What is the muscular layer in the oesophagus for?
peristalsis
what are the 4 basic types of tissue?
Muscle
connective
nervous
epithelial
how many layers in the epidermis?
5
what are the layers found through the gut tube?
difference between serosa and adventitia ?
Serosa is the outer layer for intraperitoneal structures
Adventitia for retroperitoneal
what is this?
small intestine
we can tell because the villi have gaps between them for secretory cells
what kind of epithelium does the small intestine have?
simple columnar epithelium
