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Inferior Alveolar Artery
Cardiovascular System

Inferior Alveolar Artery

Arteria alveolaris inferior

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Quick Facts

Origin: Maxillary artery.

Course: Descends in the infratemporal fossa to enter mandibular foramen.

Branches: Mylohyoid, mental, dental, and peridental branches.

Supplied Structures: Lower jaw, lower lip, and chin.

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Origin

The inferior alveolar artery arises from the maxillary artery. Sometimes, it may arise from a common trunk with the middle meningeal artery.

Course

The inferior alveolar artery descends in the infratemporal fossa, posterior to the inferior alveolar nerve, lateral to the sphenomandibular ligament, and medial to the ramus of the mandible. It passes into the mandibular foramen on the mandible and traverses the mandibular canal, accompanied by the inferior alveolar nerve.

Branches

Before entering the mandibular foramen, the inferior alveolar artery gives off a mylohyoid branch. Within the mandibular canal, it gives rise to mental, dental, and peridental branches.

Supplied Structures

The inferior alveolar artery supplies the lower jaw, lower lip, and chin.

Learn more about this topic from other Elsevier products

Inferior Alveolar Artery

ScienceDirect image

The branches of the inferior alveolar artery include the lingual and mylohyoid branches before entering the canal and the dental, mental, and incisor branches after entering the canal.

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