| Term: | ionocyte proton export across plasma membrane |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| Name: | ionocyte |
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| 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] |
| Name: | proton export across plasma membrane |
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| Synonyms: | hydrogen ion export across plasma membrane, hydrogen ion export from cell, proton export from cell |
| Definition: | The directed movement of hydrogen ions (protons) from inside a cell, across the plasma membrane and into the extracellular region. |
| Ontology: | GO: Biological Process [GO:0120029] QuickGO AmiGO |