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The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. [1] The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3]
Fitzpatrick scale. The Fitzpatrick scale (also Fitzpatrick skin typing test; or Fitzpatrick phototyping scale) is a numerical classification schema for human skin color. It was developed in 1975 by American dermatologist Thomas B. Fitzpatrick as a way to estimate the response of different types of skin to ultraviolet (UV) light. [2] It was ...
Shingles. Shingles, also known as herpes zoster, is a viral disease characterized by a painful skin rash with blisters in a localized area. [ 2][ 6] Typically the rash occurs in a single, wide mark either on the left or right side of the body or face. [ 1] Two to four days before the rash occurs there may be tingling or local pain in the area ...
A skin condition, also known as cutaneous condition, is any medical condition that affects the integumentary system —the organ system that encloses the body and includes skin, nails, and related muscle and glands. [ 1] The major function of this system is as a barrier against the external environment.
But psoriasis isn't contagious, and there are other factors about this skin condition that many people don't understand. Here's a breakdown. No. 1: There are different types of psoriasis
-ectomy : surgical removal (see List of -ectomies). The term 'resection' is also used, especially when referring to a tumor.-opsy : looking at-oscopy : viewing of, normally with a scope-ostomy or -stomy : surgically creating a hole (a new "mouth" or "stoma", from the Greek στόμα (stóma), meaning "body", see List of -ostomies)
Atopic dermatitis. Atopic dermatitis ( AD ), also known as atopic eczema, is a long-term type of inflammation of the skin ( dermatitis ). [ 2] It results in itchy, red, swollen, and cracked skin. [ 2] Clear fluid may come from the affected areas, which can thicken over time. [ 2]
The human skin is the outer covering of the body and is the largest organ of the integumentary system. The skin has up to seven layers of ectodermal tissue guarding muscles, bones, ligaments and internal organs. Human skin is similar to most of the other mammals ' skin, and it is very similar to pig skin. Though nearly all human skin is covered ...