What is the outer layer of skin made of?
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 are the 4 layers of epidermis?
Four layers of the epidermis: Stratum basale (SB), Stratum spinosum (SS), Stratum granulosum (SG), Stratum corneum (SC). There exists a thin layer of translucent cells in thick epidermis called “stratum lucidum.” It represents a transition from the SG and SC and is not usually seen in thin epidermis.
What are the 2 outermost layers of skin?
The epidermis consists of several layers beginning with the innermost (deepest) stratum basale (germinatum), followed by the stratum spinosum, stratum granulosum, stratum lucidum (when present), and ending with the outermost layer, the stratum corneum.
What is the outermost layer of cells?
Plasma membrane is the outermost protective layer in cells of all plants and animals.
What is the outermost layer of skin quizlet?
The cells of the outermost layer, the stratum corneum, are continually shed and replaced with new cells from the innermost layer, the stratum germinativum. is also called the corium, or “true skin.” This layer is made of elastic connective tissue.
What are the 5 layers of the epidermis called?
The layers of the epidermis include the stratum basale (the deepest portion of the epidermis), stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum (the most superficial portion of the epidermis).
Which epidermal stratum is the outermost layer quizlet?
The five layers of the epidermis include the stratum basale, stratum spinosum, stratum granulosum, stratum lucidum and stratum corneum.
Which stratum is the outermost layer of the patient’s epidermis quizlet?
The outermost layer of the epidermis is the stratum basale and the innermost layer is the stratum corneum.
What is the uppermost layer of the epidermis?
The topmost layer, the stratum corneum, consists of dead cells that shed periodically and is progressively replaced by cells formed from the basal layer. The stratum basale also contains melanocytes, cells that produce melanin, the pigment primarily responsible for giving skin its color.
How many layers of epidermis are there?
It is made up of three layers, the epidermis, dermis, and the hypodermis, all three of which vary significantly in their anatomy and function.