Masseteric artery

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== Masseteric Artery ==

The masseteric artery is a small arterial branch that supplies blood to the masseter muscle, which is one of the muscles of mastication. This artery is a branch of the maxillary artery, which is itself a major branch of the external carotid artery.

Anatomy

The masseteric artery typically arises from the second part of the maxillary artery, which is located in the infratemporal fossa. It passes laterally through the mandibular notch to reach the deep surface of the masseter muscle. The artery then divides into several smaller branches that penetrate and supply the muscle.

Function

The primary function of the masseteric artery is to provide oxygenated blood to the masseter muscle, which plays a crucial role in the process of mastication. The masseter muscle is responsible for elevating the mandible (lower jaw) to close the mouth and is one of the strongest muscles in the human body.

Clinical Significance

Injuries or surgical procedures involving the mandible or maxillary artery can potentially affect the masseteric artery. Damage to this artery can lead to compromised blood flow to the masseter muscle, which may result in muscle weakness or atrophy. Additionally, the masseteric artery can be involved in certain vascular malformations or tumors that affect the maxillary artery.

See Also

• Maxillary artery
• External carotid artery
• Masseter muscle
• Mastication
• Mandibular notch