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The peripheral nervous system (PNS) is divided into the somatic nervous system, the autonomic nervous system, and the enteric nervous system.However, it is the somatic nervous system, responsible for body movement and the reception of external stimuli, which allows one to understand how cutaneous innervation is made possible by the action of specific sensory fibers located on the skin, as well ...
The skin is one of the largest organs of the body. In humans, it accounts for about 12 to 15 percent of total body weight and covers 1.5 to 2 m 2 of surface area. [1] 3D still showing human integumentary system. The skin (integument) is a composite organ, made up of at least two major layers of tissue: the epidermis and the dermis. [2]
The epidermis, "epi" coming from the Greek language meaning "over" or "upon", is the outermost layer of the skin. It forms the waterproof, protective wrap over the body's surface, which also serves as a barrier to infection and is made up of stratified squamous epithelium with an underlying basal lamina.
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 December 2024. List of organ systems in the human body Part of a series of lists about Human anatomy General Features Regions Variations Movements Systems Structures Arteries Bones Eponymous Foramina Glands endocrine exocrine Lymphatic vessels Nerves Organs Systems Veins Muscles Abductors Adductors ...
Vesicle: A vesicle is a small blister, [31] a circumscribed, epidermal elevation generally considered less than either 5 [10] or 10 mm in diameter at the widest point. [30] Bulla: A bulla is a large blister, [31] a rounded or irregularly shaped blister equal to or greater than either 5 [10] or 10 mm, [30] depending on one's definition of a ...
The U.S. fiscal health is at higher risk after the election of Republican Donald Trump as the next U.S. president and given the likely composition of Congress, said rating agency Moody's. U.S ...
The term has evolved since its first recorded use in American writer Henry David Thoreau’s book "Walden" which reports his experiences of living a simple lifestyle in the natural world, Oxford ...
The integumentary system consists of the covering of the body (the skin), including hair and nails as well as other functionally important structures such as the sweat glands and sebaceous glands. The skin provides containment, structure, and protection for other organs, and serves as a major sensory interface with the outside world.