Appendicular aery is a branch of
**Core Concept**
The appendicular artery is a branch of the ileocolic artery, which is a terminal branch of the superior mesenteric artery. The superior mesenteric artery is one of the three main branches of the abdominal aorta, supplying blood to the midgut.
**Why the Correct Answer is Right**
The ileocolic artery gives off several branches, including the appendicular artery, which is responsible for supplying blood to the appendix. The appendicular artery arises from the ileocolic artery, which is a crucial branch for the perfusion of the terminal ileum and the cecum, including the appendix. This is essential for the proper functioning of the digestive system and the overall health of the individual.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because the appendicular artery does not arise from the superior mesenteric artery directly. The superior mesenteric artery gives off several branches, including the ileocolic artery, which is the correct origin of the appendicular artery.
**Option B:** This option is incorrect because the appendicular artery does not arise from the celiac trunk. The celiac trunk is a branch of the abdominal aorta that supplies blood to the foregut, including the stomach, liver, and pancreas.
**Option C:** This option is incorrect because the appendicular artery does not arise from the gastroduodenal artery. The gastroduodenal artery is a branch of the common hepatic artery, which supplies blood to the stomach and the duodenum.
**Option D:** This option is incorrect because the appendicular artery does not arise from the inferior mesenteric artery. The inferior mesenteric artery supplies blood to the hindgut, including the rectum, sigmoid colon, and the distal third of the transverse colon.
**Clinical Pearl / High-Yield Fact**
The appendicular artery is a small but crucial branch that supplies blood to the appendix. It is essential to remember the origin of the appendicular artery, as this knowledge can be useful in understanding the clinical presentation and management of appendicitis.
**Correct Answer:** D. The inferior mesenteric artery is not correct, the correct option is actually not listed here.