Deep temporal arteries

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The deep temporal arteries are two arteries that arise from the maxillary artery and supply the temporalis muscle. These arteries are known as the anterior deep temporal artery and the posterior deep temporal artery.

Anatomy[edit]

The deep temporal arteries are branches of the maxillary artery, which is one of the terminal branches of the external carotid artery. The maxillary artery travels through the infratemporal fossa, where it gives rise to several branches, including the deep temporal arteries.

Anterior Deep Temporal Artery[edit]

The anterior deep temporal artery ascends between the temporalis muscle and the pericranium, supplying the anterior portion of the temporalis muscle. It anastomoses with the middle temporal artery, a branch of the superficial temporal artery.

Posterior Deep Temporal Artery[edit]

The posterior deep temporal artery also ascends between the temporalis muscle and the pericranium, but it supplies the posterior portion of the temporalis muscle. It anastomoses with the middle temporal artery and the lacrimal artery, a branch of the ophthalmic artery.

Function[edit]

The primary function of the deep temporal arteries is to supply blood to the temporalis muscle, which is involved in the movement of the mandible during mastication (chewing).

Clinical Significance[edit]

Injuries or surgical procedures involving the maxillary artery or the temporalis muscle may affect the deep temporal arteries. Understanding their anatomy is crucial for surgeons performing procedures in the infratemporal fossa or the temporal region.

References[edit]

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