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blood capillaries

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blood capillaries
Etymology: AS, blod + L, capillaris, hairlike
the tiny vessels that convey blood between the arterioles and the venules and allow for internal respiration and nourishment of tissues. The capillary wall generally has a thickness of one cell, permitting easy diffusion of gas molecules; occasional tiny openings permit diapedesis of leukocytes, distribution of nutrients to the tissues supplied by the capillary network, and collection of waste products released by the cells.


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The epidermis contains no blood vessels, and cells in the deepest layers are nourished by diffusion from blood capillaries extending to the upper layers of the dermis.
It can damage the facial blood capillaries which will result in facial redness and can eventually lead to rosacea.
Developments in the 2nd Stage Of Decompensated Shock: In prolonged Shock, the lack of oxygen in the tissues called Hypoxia, makes the blood capillaries more permeable.
 
 
 
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