Dermis Definition Anatomy

Medical definition of dermis. The dermis lies under the epidermis.

Dermis Definition Anatomy And Function

Dermis or corium the deeper portion of the skin of vertebrates that is derived embryologically from the mesoderm and lies beneath the epidermis which is of ectodermal origin.

Dermis definition anatomy. Dermis definition the dermis is the second layer of skin which present underneath the epidermis and overhead the subcutaneous layer. The dermis consists mainly of loose connective tissue and contains nerves blood vessels muscles and sensory nerve endings sweat glands and ducts hair follicles and sebaceous glands. Single layer of cuboidal to columnar secretory cells surrounded by myoepithelial cells.

Dermis the true skin cutis vera or corium. The dermis is the second and thickest layer of the three major layers of skin located between the epidermis and subcutaneous tissues also known as the subcutis and the hypodermis. It is present in varying degrees of development among various vertebrate groups being relatively thin and simple in aquatic animals and progressively thicker and more complex in terrestrial species.

Odiferous sweat glands in axilla pubic region and areola. Dermis definition the dense inner layer of skin beneath the epidermis composed of connective tissue blood and lymph vessels sweat glands hair follicles and an elaborate sensory nerve network. Ducts empty into hair follicles.

Secretory and duct portion both are coiled. The lower or inner layer of the two main layers of cells that make up the skinthe dermis contains blood vessels lymph vessels hair follicles and glands that produce sweat which helps regulate body temperature and sebum an oily substance that helps keep the skin from drying out. The dermis from its earliest evolutionary appearance has been a depository of bone as expressed in dermal armour primitive fishes.

It is the most impenetrable layer of the skin and generally it is composed of elastic and fibrous tissue. 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. The skin was previously viewed as a body part that protects us from the elements.

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