ARTERIA DORSALIS PEDIS Meaning and
Definition
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The term "arteria dorsalis pedis" refers to a major artery located on the top, or dorsal, aspect of the foot. It is an essential component of the circulatory system, responsible for supplying oxygenated blood to the structures of the foot.
The arteria dorsalis pedis arises from the anterior tibial artery, a continuation of the popliteal artery found in the lower leg. It courses downwards and forwards, passing between the first and second metatarsal bones in the top of the foot. It then divides into two main branches, the first dorsal metatarsal artery and the deep plantar artery. These branches provide further blood supply to the toes, as well as the deeper muscles and bones of the foot.
The arteria dorsalis pedis is crucial for maintaining adequate perfusion to the foot and plays a vital role in sustaining the health and functionality of the lower extremities. It delivers oxygen and nutrients to the tissues, enabling them to carry out their physiological processes effectively. Additionally, it aids in the removal of waste products and metabolic byproducts, aiding in the maintenance of cellular homeostasis.
Assessment of the arteria dorsalis pedis pulse is often performed as part of a routine physical examination, especially in individuals with suspected peripheral vascular disease or diabetes. A weakened or absent pulse may suggest compromised blood flow and may warrant further investigation or medical intervention to prevent potential complications such as tissue ischemia or ulceration.
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Dorsal artery of the foot; a continuation of the tibialis anterior; branches, tarsea lateralis, arcuata, metatarseae dorsales, digitales dorsales; anastomoses with the plantaris lateralis to form the plantar arch.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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