John Deighton developed swelling of the legs.
The reproductive system of planarians is considerably regular among different families , although the structures associated can be more or less complex .. reproductive system. reproductive system. All planarians are hermaphrodites , so their reproductive system has a male and a female part .. reproductive system. reproductive system. Both parts communicate with the surface of the body via a single opening called gonopore , which is located on the ventral side of the posterior half of the body .. gonopore. gonopore