This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
True statement regarding ileum is - 
Select and explain. 
A. Tongue shaped villi in the lumen, B. Lymphatic patch along antimesenteric border, C. Supplied by inferior mesenteric vessels, D. Joins caecum at anterior surface
B: Lymphatic patch along antimesenteric border
Answer: B: Lymphatic patch along antimesenteric border 
Explanation: Lymphatic patches (peyer's patches) are placed lengthwise along the antimesenteric border of the intestine.
Vili in ileum is finger-like.
The ileum is a midgut derivative and is therefore supplied by the superior mesenteric artery.
Ileum joins the caecum on posterior-medial aspect of coecum.