Corium

Corium is the deeper, thicker layer of the skin underlying the epidermis and made up of connective tissue. It is also known as the dermis. It contains blood vessels, lymph vessels, hair follicles, sweat glands, nerves, and muscles. The corium provides strength and elasticity to the skin.

Structure[edit | edit source]

The corium is composed of two layers: the papillary layer and the reticular layer. The papillary layer is the outer layer closest to the epidermis. It is thin and consists of loose connective tissue. The reticular layer is the deeper and thicker layer of the corium. It is made up of dense irregular connective tissue and provides strength and elasticity to the skin.

Functions[edit | edit source]

The corium has several important functions. It provides strength and elasticity to the skin, regulates body temperature, and provides sensation. The blood vessels in the corium help to regulate body temperature by dilating (widening) or constricting (narrowing) to allow more or less blood flow to the skin surface. The nerves in the corium provide sensation, allowing us to feel touch, pressure, pain, and temperature.

Related Conditions[edit | edit source]

Several skin conditions are related to the corium. These include dermatitis, which is inflammation of the skin; psoriasis, a chronic skin condition that causes skin cells to build up rapidly on the surface of the skin; and melanoma, a type of skin cancer that begins in the cells (melanocytes) that control the pigment in your skin.

See Also[edit | edit source]

Corium Resources
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