Large intestine Flashcards
1
Q
Tenaie Coli
A
3 longitudinal bands of smooth muscle running along the LI
2
Q
Haustra
A
Formed by the tonic contraction of the tenaie coli
Pouches formed in colon wall
Seen on AXR with barium contrast
3
Q
Histology
A
Crypts
Goblet cells - secrete mucous
4
Q
Function
A
Transports fluids and unabsorbed components
Absorbs water, sodium, chlorine
Stores faeces
5
Q
Caecum, ascending colon, transverse colon
- function
A
Reabsorb fluid
Bacterial fermentation
6
Q
Descending colon, sigmoid colon
- function
A
Final drying
Storage of faeces
7
Q
Sigmoid volvulus
A
Sigmoid is very mobile so if it twists round on itself then it results in bowel obstruction
8
Q
Mass movements
A
Strong peristaltic contractions of circular muscles which drives faeces into distal regions
