👉 In biology, tubicolous is a type of organ that has two openings or branches. These are known as the tubercles and are found in many parts of the body. Tubicolous organs can be divided into three types: visceral, parietal, and mesenteric. The visceral tubercle is located in the upper part of the digestive tract, while the parietal tubercle is located in the lower part of the digestive tract. Lastly, the mesenter
