Certified Surgical Technologist (CST) Practice Exam

The apron-like structure attached to the greater curvature of the stomach is called?

1. Ligamentum

2. Mesentery

3. Omentum

4. Peritoneum

The correct answer is: Omentum

The apron-like structure attached to the greater curvature of the stomach is known as the omentum. Specifically, this refers to the greater omentum, which is a large fold of peritoneum extending from the stomach to other abdominal organs. Its primary function includes providing insulation to the abdominal organs, storing fat, and playing a role in immune response by containing a significant number of immune cells. The greater omentum is often described as having a 'fattening' effect due to its high fatty content, and it also helps in protecting the intestines and providing a conduit for blood vessels and nerves. Its mobility allows it to move to sites of inflammation or infection, aiding in the healing process. Other options, while related to abdominal structures, are not correct in describing the specific apron-like feature. Ligamentum generally refers to fibrous connective tissues that connect bones to other bones, mesentery is a fold of peritoneum attaching the intestines to the abdominal wall that supports blood vessels and nerves to the intestine, and peritoneum refers to the serous membrane lining the abdominal cavity and covering abdominal organs. These structures serve different purposes that do not align with the characteristics of the omentum.