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The basal layer of the closest layer to blood supply. You do not have blood supply to the outer layers of the skin.

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9y ago

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What epidermal layer is closest to blood supply?

Stratum Basale


What two factors cause epidermal cells to die?

Low blood supply and low keratin cause epidermal cells to die. Epidermal cells make up the epidermis, the outer layer of the skin covering the exterior body surface of vertebrates.


Where do epidermal cells get their nutrients?

Epidermal cells receive nutrients primarily through diffusion from the underlying dermis layer, where blood vessels supply nutrients. Additionally, some epidermal cells can also absorb nutrients from sweat and sebum produced by skin glands.


What epidermal layer is immediatley adjacent to the dermis?

The dermis is the layer that is closest to the epidermis. It lies between the epidermis and the hypodermis.


What epidermal layer does malignant melanoma arise?

Malignant melanoma arises in the Stratum basale layer of the epidermal layer.


What is the second epidermal layer?

The layer below the Epidermal layer is called the Dermal layer. It's a connective tissue made up of collagen and elastin.


Which layer of skin have their own blood supply?

The subcutaneous layer.


The more superficial cells of the epidermis become less viable and die what factors account for this natural demise?

We skin cells are made, they are made in the deep layers of the skin, the dermal layer. This layer of the skin has blood supply, and cells that are in the dermal layer stay alive just fine. However, as cells in the upper layer, the epidermis, die; the skin cells in the dermal layer gets, pushed up into the epidermal layer. In this layer of the skin, there is no blood supply. However, nutrients are still passed from the blood rich dermal cells to the epidermal cells. The problem occurs when the epidermal cell is pushed right to the top of the epidermal layer, where there is no blood supply and it is too far away from the dermal layer to get nutrients vie osmosis. The cells in the upper epidermis get no nutrients and therefore die. Epidermal cells also die, ironically, because of the substances that they produce, keratin. Keratin is secreted by all skin cells to make the skin tough, durable and waterproof. However the build up of this keratin in the cell, leaks out in the extracellular space (the area outside the cell) and starts to breakdown the membranes of the cells around them and the cells essentially end up killing each other.Epidermal cells die because of the loss of nutrient supply as they get closer and closer to the surface of the skin, and the buildup of keratin inside them that leaks out into the area outside the cells.Read more: Why_do_epidermal_cells_die


What is the significance of the epidermal layer being avascular regarding wound healing?

what is the significance of the epidermal layer being avasculer regardin wound healing


What layer of the skin does have a blood supply of its own?

The epidermis.


Which layer of skin does not its own blood supply?

EPIDERMIS


How do worms get oxygen to their cells?

by their epidermal layer