The skin consists of two layers, the epidermis and the dermis. The
epidermis is a tough outer layer that serves as the first line of defense against the external environment. It is composed of stratified squamous epithelial cells that further break down into 4-5 layers. From the superficial to the deep, the primary layers are the stratum corneum, stratum granulosum, stratum spinosum, and stratum basale.
The dermis is the underlying connective tissue framework that underpins the epidermis. It is further divided into two layers-the superficial papilla dermis and the deep reticular layer. The dermis as a whole contains blood vessels, lymph vessels, nerves, sweat glands, hair follicles, and various other structures embedded in connective tissue.
The skin consists of two layers, the epidermis and the dermis. The
epidermis is a tough outer layer that serves as the first line of defense against the external environment. It is composed of stratified squamous epithelial cells that further break down into 4-5 layers. From the superficial to the deep, the primary layers are the stratum corneum, stratum granulosum, stratum spinosum, and stratum basale.
The dermis is the underlying connective tissue framework that underpins the epidermis. It is further divided into two layers-the superficial papilla dermis and the deep reticular layer. The dermis as a whole contains blood vessels, lymph vessels, nerves, sweat glands, hair follicles, and various other structures embedded in connective tissue.
https://www.ncbi.nlm.nih.gov/books/NBK554386/