*The sacculus rotundus exists at the ileocaecal junction. It is an enlargement of the [[Large Intestine - Anatomy & Physiology|large intestine]] and contains [[Lymphatic System - Anatomy & Physiology|lymphoid tissue]]. | *The sacculus rotundus exists at the ileocaecal junction. It is an enlargement of the [[Large Intestine - Anatomy & Physiology|large intestine]] and contains [[Lymphatic System - Anatomy & Physiology|lymphoid tissue]]. |