The dermis is the second layer of skin which present underneath the epidermis and overhead the subcutaneous layer. It is the most impenetrable layer of the skin and generally it is composed of elastic and fibrous tissue.
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A thin upper layer known as the papillary dermis.
Dermis anatomy. The dermis contains a vast network of nerve endings blood vessels and connective tissue. The dermis is the thickest layer of skin and arguably the most. The dermis or corium is a layer of skin between the epidermis with which it makes up the cutis and subcutaneous tissues that primarily consists of dense irregular connective tissue and cushions the body from stress and strain.
Meissner corpuscles and lamellar corpuscles that transmit the sensations of touch and pressure. Anatomy and function of the dermis anatomy and structure. The dermis is the deeper layer of the skin separated from the epidermis by the basement membrance.
The dermis from its earliest evolutionary appearance has been a depository of bone as expressed in dermal armour primitive fishes scales fishes and certain amphibians and plates crocodile lizard turtle armadillo. The dermis contains several specialized cells and structures including. Blood vessels and nerve endings.
It is about 1 to 4 millimeters thick and contains a variety of cells which carry out many different functions. The dermis has two parts. The papillary layer the upper layer of the dermis.
The fin rays of fishes are dermal derivatives as are many types of pigment cells. Apocrine and endocrine glands.
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