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Is the stratum basale the same as stratum germinativum?
The epidermal layer. (below that is the acellular dermal layer)
What layer of skin is just beneath the stratum germinativum?
papillary
What layer of the epidermis is the layer where mitosis occurs?
We find it in the deepest layer of the epidermis called Stratum Basal in which the stem cells undergo Mitosis replacing keratinocytes lost at the stratum corneum, the apical surface of epidermis.
What happens in the stratum germinativum?
stratum germinativum layer is the deepest layer of five epidermis layer which is the outer covering of skin in mammals. It is a continuous layer of cells which is often described as one cell thick but to the reality it is two to three cells thick in glabrous skin and hyper proliferative epidermis.
What layer of skin has epidermal region exhibiting the most mitosis?
1st is epidermis, 2nd is subcutaneous and last, the dermis, which is the deepest layer
What is the epidermal layer that produces new cells?
Stratum germinativum, also called stratum basale or basal cell layer.
Why do skin cells die?
Skin cells die because these cells are constantly undergoing cell division, and millions of new cells are produced daily; hence its alternate name, stratum germinativum.
What cells make up the epidermis?
The epidermis is composed of 4-5 layers depending on the region of skin being considered. Those layers in descending order are the cornified layer (stratum corneum), clear/translucent layer found only on the palms and soles (stratum lucidum), granular layer (stratum granulosum), spinous layer (stratum spinosum), and basal/germinal layer (stratum basale/germinativum). The term Malpighian layer (stratum malpighi) is usually defined as both the basal and spinosum layers as a unitThe Layers of the Epidermis are.1- Stratum Corneum ( Most Superficial )2- Stratum Granulosum3- Stratus Spinosum4- Stratum Basale or Basal Layer ( Deepest Layer )* Stratum Corneum = keratinized,dead,flattened scale-like and non-nucleated cells which are continuously shed as flake-like residue. * Stratum Lucidum = thin,clean layers found only in epidermis of the lips,palms and soles. * Stratum Granulosum = one or more layers of granular cells that contain fiber ang keratin and shriveled nuclei. * Stratum Spinosum =spiny layer, several stratified layer of cells in contact with centrally located, large oral nuclei and spine like process. * Stratum Germinativum = basal layer, simple layer of cuboidal cells in contact with the epidermis.From deepest to superficial: Stratum germinativum (also called "stratum basale"), stratum spinosum, stratum granulosum, stratum lucidum (palms & soles), and stratum corneum, the outermost layer that is composed of dead skin cells.
What is the dependent variable of skin cancer?
the temp.intering into your skin and starts the skin cancer
What is the stratum corneum?
The stratum corneum is the thickest layer of the epidermis and the outermost layer of the skin. This layer contains almost entirely dead cells which are free of a nucleus and lacking most organelles. These cells are useful for protection of the deeper layers of the skin, as well as aiding water reabsorption. They are constantly being rubbed away by life and being replaced by the stratum germinativum. epidermal layer
How many layers of tissue does the skin contain?
The skin has two distinct layers. The outer layer is the epidermis. The epidermis is comprised of five layers. The inner layer is the dermis. The dermis is anchored to a subcutaneous layer, but it is not considered part of the skin.
Which layer is the epidermis?
The epidermis has either 4 or 5 layers depending on the location of your body. Stratum Corneum Stratum Lucidum (only on the soles of your feet and palms of your hands) Stratum Granulosum Stratum Spinosum Stratum Basale
