Inferior genicular arteries
Inferior genicular arteries are a pair of arteries that supply blood to the knee joint. They are branches of the Popliteal artery, which is a continuation of the Femoral artery. The inferior genicular arteries are divided into two types: the lateral inferior genicular artery and the medial inferior genicular artery.
Anatomy[edit | edit source]
The inferior genicular arteries originate from the popliteal artery in the popliteal fossa, which is located at the back of the knee. They travel towards the front of the knee, where they divide into the lateral and medial inferior genicular arteries.
Lateral Inferior Genicular Artery[edit | edit source]
The Lateral Inferior Genicular Artery travels laterally around the knee joint, supplying blood to the lateral side of the knee. It also gives off branches to the lateral meniscus and the lateral part of the capsule of the knee joint.
Medial Inferior Genicular Artery[edit | edit source]
The Medial Inferior Genicular Artery travels medially around the knee joint, supplying blood to the medial side of the knee. It also gives off branches to the medial meniscus and the medial part of the capsule of the knee joint.
Function[edit | edit source]
The main function of the inferior genicular arteries is to supply blood to the knee joint. They provide oxygen and nutrients to the tissues of the knee, and remove waste products. They also play a role in temperature regulation and in the immune response.
Clinical Significance[edit | edit source]
Damage to the inferior genicular arteries can lead to Ischemia of the knee joint, which can cause pain and loss of function. This can occur as a result of trauma, surgery, or diseases such as Atherosclerosis.
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Contributors: Prab R. Tumpati, MD
