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.
Freezing skin lesions with liquid nitrogen is often a good way to treat growths in the epidermis, the outer living layer of skin. It is routine for warts, actinic keratoses, seborrheic keratoses, and skin tags. It does not treat things below the epidermis such as moles. It is not adequate treatment for skin cancers. The air you are breathing right now is 78.1% nitrogen. In 1895, a process was developed for chilling pressurized air so extremely that it turned to liquid. The liquid nitrogen component of liquefied air measures minus 196Â°C.