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Found in the stratum basale, stratum corneum are the oldest epidermal cells. They make up the outermost layer of the epidermis.
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∙ 9y ago
Yes, the oldest epidermal cells are found in the stratum basale. This layer, also known as the basal layer, is the deepest layer of the epidermis and is responsible for the continuous production of new cells. As cells are pushed upwards, they become older and eventually reach the outermost layer of the epidermis, the stratum corneum, where they are shed.
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What is the structure of the skin?
The skin consists of three main layers: the epidermis, dermis, and hypodermis. The epidermis is the outermost layer and contains protective keratinized cells. The dermis is the middle layer and contains blood vessels, nerves, hair follicles, and sweat glands. The hypodermis is the innermost layer and is composed of fat cells for insulation and cushioning.
What is an example of a type of cell that divides very often in an adult human?
Epithelial cells, such as those lining the intestines or skin, divide frequently in adult humans to help maintain and repair tissues.
Why do cells reproduce in an adult organism?
Cells reproduce in an adult organism for growth, tissue repair, and maintenance of the body. This process allows for replacement of old or damaged cells to maintain optimal functioning of tissues and organs.
Why do the cells of an adult continue to divide after the adult has stopped growing?
Cells continue to divide in adults for tissue repair, maintenance, and renewal. This allows the body to replace damaged or old cells to maintain proper function and heal injuries. It also helps in preventing diseases and maintaining overall health.
How many cells are in a adult human body?
There are approximately 37.2 trillion cells in the average adult human body. These cells make up various tissues and organs, each performing specific functions essential for the body's overall health and functioning.
Where are the oldest epidermal cells in the epidermis found?
stratum basale
What is the epidermal layer containing the oldest cells?
The stratum Basale contains the most cells of the epidermis. Through the process of enucleation and apoptosis, the number of cells decrease as you move up the strata (layers).
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.
Where is melanin located in the skin?
Melanocytes are pigment cells that synthesize melanin. These cells inject the melanin pigment in the living keratinocytes cells (skin cells) of the stratum basale layer of the epidermis. Note: The Melanocyte cells also reside in the stratum basale.
Cells are pushed into stratum what from stratum basale?
SPINOSUM
Where were the cells of stratum corneum initially produced?
stratum basale
What is the epidermal layer that produces new cells?
Stratum germinativum, also called stratum basale or basal cell layer.
Where are stem cells located on your skin?
stratum basale
What epidermal cell compose about 8 percent epidermal cells?
stratum granulosum and stratum lucidum
What is the second epidermal layer of the sole of your foot?
The second epidermal layer of the sole of the foot is called the stratum spinosum. It is composed of several layers of keratinocytes, which are cells that produce keratin, a tough protein that provides strength and protection to the skin. The stratum spinosum is involved in the barrier function of the skin and helps to prevent water loss.
Which doesn't belong prickle cells stratum basale stratum spinosum and cell shrinkage?
Stratum Basale. The cells in the Stratum Spinosum are spiny shaped and are called prickle cells. These arise during tissue preparation when the cells shrink.
Where would you find melanocytes and tactile cells?
Stratum Basale or Germinativum Some 10-25% of the cells in the stratum Basale are melanocytes, and their branching processes extend among the surrounding cells, reaching well into the more superficial Stratum Spinosum layer. Occasional Merkel cells are also seen in this stratum.
