Small Intestine

Question 1

• major site of our enzymatic digestion, absorption of nutrients
• long relatively narrow tube, 3.5 times the body length

Answer 1

Small intestine

Question 2

• extends from the pylorus of the stomach to the ileocaecal part
• longest portion of the alimentary canal

Answer 2

Small intestine

Question 3

• Attached to the right side of the dorsal body wall by a short mesentery, mesoduodenum
• It has a descending, transverse, and ascending portion.
• Distinction between the ilium and the jejunum is defined by the proximal extent of the ileocaecal fold

1. Cranial
2. Caudal
3. Duodenojejunal flexure

Answer 3

Duodenum

Question 5

• Longest and most movable
• Attached to the body wall by the mesojejunum
• mesojejunum + mesoileum = great mesentery

Answer 5

Jejunum

Question 6

• Short terminal part of the small intestine.
• More muscular and firmer
• Terminates at the ileocolic junction

Answer 6

Ileum