How does the dermis differ from the epidermis?
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Accordingly, what are 3 major differences between the epidermis and dermis?
Epidermis vs Dermis
|An outer most layer of cells that cover the body of an organism||A layer of living cells below epidermis consisting of nerve endings, blood vessel, sweat glands and hair follicle|
|Doesn't contain blood vessels||Comprises a thin network of vessels known as capillaries|
Furthermore, what does the dermis do? The 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. Sweat and sebum reach the skin's surface through tiny openings in the skin that act as pores.
Simply so, what is dermal and epidermal?
Skin has three layers: The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.
What is the epidermis composed of?
The epidermis is composed of keratinized, stratified squamous epithelium. It is made of four or five layers of epithelial cells, depending on its location in the body. It does not have any blood vessels within it (i.e., it is avascular).