In the anatomy of humans, subclavian refers to any bodily organ which is located under the clavicle, or the collar bone. Located there are two separate large veins and arteries which are located on both sides of the body. The purpose of the two is to allow the circulation of blood to and from upper extremities within the body.
There are two Subclavian veins, categorized by the left and right which run underneath the clavicle which connect to various parts of the circulatory system.
The left Subclavian vein connects to parts of the circulatory system like the thoracic duct, responsible for the circulatory system's ability to regulate lymph in the bloodstream, whereas the right Subclavian vein hasn't any affiliation with it. The subclavian vein can be used to insert a catheter, which is essential when it comes to a patient in need of a quick distribution of some medication into the bloodstream.
The Subclavian artery is also categorized by the left and right, being a major artery of the circulatory system that provides blood to the upper parts of the body. The left Subclavian artery is an artery in which branches straight off of the aorta. The right subclavian artery begins where the brachiosephlic artery splits, leading to the right Subclavian artery and the common carotid artery.
The word Popliteal refers to any of the anatomical structures located in the back of the knee, which includes:
The Popliteal Artery is a continuation of the Femoral Artery, it runs from the Adductor Magnus, to the arterial junction in the thigh, down into the Intercondyloid Fossa near the Femur, and then down to the Popliteus, in which it separates into the Tibial Arteries. The Popliteal Vein is practically the same, anatomically, as the Popliteal Artery, but is responsible for blood flow back to the heart instead. The Popliteal Fossa is the indention that can be found on the back of the knee. The floor of the Popliteal Fossa is formed by the popliteal surface of the Femur, the upper end of the Tibia, the Fascia that covers the Popliteus, the oblique Popliteal ligament in the knee, and is covered by the Fascia Lata.
The Popliteal Nerve is one of the terminal branches of the great sciatic nerve. The nerve runs from the upper part of the Popliteal Space, over to the lower part of the Popliteus muscle, and then continues traveling down the leg.
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