Colorectal Surgery Flashcards
1
Q
What is the normal structure and function of the colon and rectum?
A
Structure:
1) Smooth muscle tube
2) Lined by specialised epithelium
3) Enteric nerve supply
Function:
1) Fluid and electrolyte balance
2) Waste management
3) Continence
2
Q
What is the arterial supply and innervation to the colorectal area?
A
SMA (lower part of duodenum to 2/3 transverse colon)
IMA (descending, sigmoid colon and part of rectum)
Enteric nervous system
Autonomic Nervous system
The lymphatic vessels of the colon are paired with the above arteries
3
Q
What are the components of the large intestine?
A
Cecum
Ascending colon
Transverse colon
Descending colon
Sigmoid colon
Rectum
4
Q
Where can the highest concentration of bacteria be found within the GI tract?
A
Ileum-caecum
