Oct 3, 2025 · Human skin, in human anatomy, the covering, or integument, of the body’s surface that both provides protection and receives sensory stimuli from the external environment.

Like other tissues, skin is afflicted by all types of pathological changes, and thus skin diseases have a wide range of causes. Learn about the features, types, and treatment of skin diseases …

Integument - Reptiles, Scales, Skin: In the evolutionary sense, reptiles are the first truly terrestrial vertebrates, since they have dispensed with an aqueous environment for their larval …

Oct 3, 2025 · There are two distinct types: eccrine glands open by a duct directly onto the skin surface; apocrine glands usually develop in association with hair follicles and open into them.

Sweat gland, either of two types of secretory skin glands occurring only in mammals. The eccrine sweat gland, which is controlled by the sympathetic nervous system, regulates body temperature.

Poison, a substance, natural or synthetic, that damages living tissues and has injurious effects on the body, whether it is ingested, inhaled, or absorbed or injected through the skin.

Aug 29, 2025 · Hair, in mammals, the characteristic threadlike outgrowths of the outer layer of the skin (epidermis) that form an animal’s coat, or pelage. Hair is present in differing degrees on …

Sep 20, 2025 · The most important distinction is between open and closed wounds. Open wounds are those in which the protective body surface (the skin or mucous membranes) has been …

Horny scutes, or corneoscutes, derived from the upper, or epidermal, skin layer, appear in reptiles and on the legs of birds. In crocodilians and some lizards, bony dermal scales (osteoderms) …

Superficial fungal infections, also called dermatophytosis, are confined to the skin and are caused by Microsporum, Trichophyton, or Epidermophyton; athlete’s foot, for example, is caused by …