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Where are lamellar granules produced?
in the the stratum granulosum cells of the epidermis.
Where are melanin and keratin manufactured?
Melanin is formed by the melanocytes which are in the stratum basale of the epidermis. Keratin is formed by the epithelial cells of the skin in the epidermis.
What kind of cells is the epidermis made of?
The epidermis consists of stratified squamous epithelium cells. These cells in the epidermis are dead cells surrounded by the protein keratin.
What is the Upper layer of skin where new cells grow?
The upper layer of skin where new cells grow is called the epidermis. The epidermis is continuously replenished by cell division in the basal layer, and as new cells are produced, older cells are pushed towards the surface where they eventually flake off.
What is the name of the layer of the epidermis that sits on the basement membrane?
The layer of the epidermis that sits on the basement membrane is called the basal layer or stratum basale. It is the innermost layer of the epidermis where new skin cells are produced.
Which types of cells are not found in the epidermis?
Blood cells and muscle cells are not found in the epidermis. The epidermis mainly consists of keratinocytes, which are the primary type of cells in the outer layer of the skin.
How are cells replaced in the epidermis?
the stem cells of the stratum basale are in constant state of mitosis, replacing cells that have rubbed off the epidermal surface. as they are produced by stem cells, new keratinocytes push previously formed cells toward the surface.
Where do you find melanin in dark skin?
Melanin is produced by the melanocytes, and they are found in the stratum basale of the epidermis.
What are most cells of the epidermis?
The majority of cells in the epidermis are keratinocytes. These cells produce the protein keratin, which helps the skin to form a protective barrier. Other cell types in the epidermis include melanocytes (produce melanin for skin color) and Langerhans cells (involved in immune responses).
Are the outermost cells of the epidermis living or dead?
Cells in the lower layers of the epidermis divide continually, producing new cells that constantly push through the layers of the epidermis. By the time those cells reach the outer layer of the epidermis, they are dead and ready to slough off.
How do the dead cells of the epidermis help the body?
When These cells Die, They Become Part Of The Surface Layer Of The Epidermis.
What is syncytial epidermis?
Epidermis containing cells which have many nuclei formed due to fusion of many cells.
