2 doctors agreed: CFTR: Cystic fibrosis is caused by a mutation of the cftr gene, or cystic fibrosis transmembrane regulator, on chromosome 7. Cftr works as a chloride ion channel which helps to regulate chloride and sodium movement in your lungs and sweat ducts. ...Read more.
1. JKJones (Pharmacist (Verified)) - 11 / 08 / 2010. Desquamation is the natural shedding and peeling of the outermost layers of the skin. When there is damage to the skin or this process is interrupted or changed, there may be additional shedding and peeling.
Photoaging or photoageing (also known as dermatoheliosis) is a term used for the characteristic changes to skin induced by chronic UVA and UVB exposure. Tretinoin is the best studied retinoid in the treatment of photoaging.The deterioration of biological functions and ability to manage metabolic stress is one of the major consequences of the aging process. Aging is a complex, progressive process that leads to functional and esthetic changes in the skin.his process can result from both intrinsic (i.e., genetically determined) as well as extrinsic processes (i.e., environmental factors). Photoaging is attributed to continuous, long-term exposure to ultraviolet (UV) radiation of approximately 300â400 nm, either natural or synthetic, on an intrinsically aged skin.