👉 In medicine, a pseudobranchial is a type of organ that does not form a true branch. It is similar to a "brachium," which is a part of the human body that connects the brain and spinal cord, but it lacks the actual nerve fibers. Pseudobranchials are often found in the lungs, where they function as a filter or as a reservoir for gases like carbon dioxide. They also play a role in the respiratory system by filtering out particles and