Term: integument ionocyte
Name: integument
Synonyms: skin
Definition: The outer protective barrier that separates the animal from its aquatic environment.
Ontology: Anatomy Ontology [ZFA:0000368]

Name: ionocyte
Synonyms:
Definition: Specialized epithelial cells involved in the maintenance of osmotic homeostasis. They are characterized by abundant mitochondria and ion transporters. In amniotes, they are present in the renal system. In freshwater fish, ionocytes in the skin and gills help maintain osmotic homeostasis by absorbing salt from the external environment.
Ontology: Anatomy Ontology [ZFA:0005323]