excretory organ
urinary organ

Although the body contains a haemocoel, there are no circulatory, respiratory, or excretory organs.

So far as we can tell, it is chiefly on account of their peculiar character that they increase the work of the mother's excretory organs.

It stimulates the sweat glands to become more active; and, for that matter, the other excretory organs as well.

They may also be simply excretory organs (hydathodes), used for exuding surplus metabolic products.

These beetles have an excretory organ that produces an odor telling the ants they mean no harm.

Abdomen - This segment contains the digestive and excretory organs.

There are six pairs of nephridial excretory organs, which empty into the mantle cavity.

Isn't it like some huge cosmic joke, that if you want to make a baby you have to put your excretory organs together?

The mesonephros (Greek for "middle kidney") is one of three excretory organs that develop in vertebrates.

With no distinct excretory organs, this is removed by diffusion through the tube feet and papulae.