Which artery supplies oxygenated blood to the stomach?

RRB Staff Nurse Delhi-2015

Applied Anatomy

Easy

Appeared in: RRB Staff Nurse Delhi-2015

Explanation

The Celiac artery, also known as the celiac trunk, is the primary artery supplying the stomach.
It is the first major ventral branch of the abdominal aorta and is considered the 'artery of the foregut,' which includes the stomach, liver, spleen, and parts of the esophagus, pancreas, and duodenum.
All arteries that directly supply the stomach tissue, such as the gastric and gastroepiploic arteries, are branches that originate from the celiac artery.

Option A: The carotid arteries are located in the neck and supply blood to the brain, head, and neck region, not the stomach.
Option C: This is an incomplete answer. While the left and right gastric arteries supply the lesser curvature of the stomach, they are branches of the celiac artery. The celiac artery is the single source for the entire stomach's blood supply, including the gastroepiploic and short gastric arteries.
Option D: There is no major artery named the 'Cephalic artery' in gross anatomy. The term 'cephalic' refers to the head. The cephalic vein is a prominent superficial vein in the upper limb.

Visual 1: Diagram - An illustration of the abdominal aorta showing the celiac trunk and its three main branches (left gastric, splenic, common hepatic) and how they subsequently supply the entire stomach. This visual helps clarify the hierarchy of blood supply.

Clinical Relevance

Nursing practice connection: Knowing Arterial supply of the stomach helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Knowledge of the stomach's arterial supply is critical for managing conditions like peptic ulcer disease. A posterior duodenal ulcer can erode into the gastroduodenal artery (a branch originating from the celiac trunk), causing a life-threatening hemorrhage.
Surgeons must have a precise understanding of this vascular network during procedures like gastrectomy (stomach removal) or bariatric surgery to ligate arteries and control bleeding effectively.
What if? If a patient has a bleeding ulcer on the posterior wall of the first part of the duodenum, the gastroduodenal artery is the vessel most likely to be eroded and bleeding. This artery is a branch of the common hepatic artery, which originates from the celiac trunk.

How to Approach the Question

First, identify the core anatomical structure in the question, which is the stomach, and the system involved, which is the arterial blood supply.
Recall the major arteries that branch from the abdominal aorta to supply the gastrointestinal tract.
Remember that the gut is divided into three sections based on embryonic development, each with its own primary artery: the foregut (celiac trunk), midgut (superior mesenteric artery), and hindgut (inferior mesenteric artery).
Classify the stomach as a foregut organ. This directly links its blood supply to the celiac trunk/artery.
Evaluate the given options. 'Celiac artery' represents the main trunk, while 'Gastric artery' represents a more specific but incomplete set of branches. In questions of anatomical hierarchy, the main trunk is the most comprehensive and correct answer when available.

Concept Tested & Keywords

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