Aquaporin 5

**Definition:** Aquaporin 5 is a water-specific channel protein that is expressed primarily in alveolar, tracheal, and upper bronchial EPITHELIUM. It plays an important role in maintaining water HOMEOSTASIS in the LUNGS and may also regulate release of SALIVA and TEARS in the SALIVARY GLANDS and the LACRIMAL GLAND.

**Tree numbers:** - D12.776.157.530.400.500.040.484 - D12.776.543.550.450.730.040.484 - D12.776.543.585.400.730.040.600

**Synonyms:** - Aquaporin-5 - AQP5 Protein - Aquaporin 5 Protein