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Elsevier
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Arteries of Skin
Integument

Arteries of Skin

Arteriae cutis

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Quick Facts

The skin contains a rich network of blood and lymph vessels in the dermis and hypodermis (subcutaneous tissue). There are two major plexuses, one located at the region of the dermis and subcutaneous tissue, and one in the superficial part of the dermis that supplies a large network of capillaries to the dermal papillae.

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Structure/Morphology

The skin contains a rich network of blood and lymph vessels in the dermis and subcutaneous tissue (hypodermis). There are two major plexuses, one located at the region of the dermis and subcutaneous tissue, and one in the superficial part of the dermis that supplies a large network of capillaries to the dermal papillae.

Function

These vessels supply nourishment to the three layers of the skin, the epidermis, dermis, and subcutaneous tissue. In addition, this vasculature acts as a thermoregulator. In cold conditions, blood flow is decreased in the papillary layer of the dermis to minimize heat lost from the body, while blood flow is increased in the papillary layer in hot conditions (Young, 2006).

References

Young, B. (2006) Wheater's Functional Histology: A Text and Colour Atlas. Student consult: Churchill Livingstone/Elsevier.

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