Definition of cutout. 1 : something cut out or off from something else; also : the space or hole left after cutting. 2 : one that cuts out. 3 : an intermediary in a clandestine operation. 4 : a record album no longer in production that is sold at a discount.
The Integumentary system is an organ that consist of the skin, its derivatives (sweat and oil glands), nails and hair. The basic function of the skin is protection. The skin consists of epidermis and dermis.
The integumentary system is the body's first line of defense against bacteria, viruses and other microbes. It also helps to provide protection from harmful ultraviolet radiation. The skin is a sensory organ in that it has receptors for detecting heat and cold, touch, pressure and pain.