Angular incisure

Angular incisure (also known as the incisura angularis, incisura cardiaca or cardiac notch) is a notable anatomical feature of the stomach. It is a small, sharp indentation along the lesser curvature of the stomach, near the pylorus. The angular incisure is an important landmark as it demarcates the boundary between the body and the pyloric antrum of the stomach.

Etymology

The term "angular incisure" is derived from the Latin words "angulus", meaning "angle", and "incisura", meaning "notch". The term "incisura cardiaca" is derived from the Latin words "incisura", meaning "notch", and "cardia", referring to the heart. This term is used because the angular incisure is located near the cardiac region of the stomach.

Anatomy

The angular incisure is located on the lesser curvature of the stomach, which is the right border of the front of the stomach and the left border of the back of the stomach. It is found approximately halfway along the lesser curvature, near the junction between the body and the pyloric antrum of the stomach. The angular incisure is a sharp indentation and is a significant anatomical landmark.

Clinical significance

The angular incisure is an important landmark in gastric surgery. It is used to identify the boundary between the body and the pyloric antrum of the stomach. This is crucial in procedures such as gastrectomy and gastric bypass surgery, where precise identification of anatomical landmarks is essential.

Related terms

• Pylorus: The pylorus is the region of the stomach that connects to the duodenum. It is located near the angular incisure.
• Lesser curvature of the stomach: The lesser curvature of the stomach is the right border of the front of the stomach and the left border of the back of the stomach. The angular incisure is located along the lesser curvature.
• Gastrectomy: Gastrectomy is a surgical procedure to remove part or all of the stomach. The angular incisure is an important landmark in this procedure.
• Gastric bypass surgery: Gastric bypass surgery is a weight-loss surgery that involves creating a small pouch from the stomach and connecting the newly created pouch directly to the small intestine. The angular incisure is an important landmark in this procedure.

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