Middle Meningeal Artery

Middle Meningeal Artery

Question 1. Middle meningeal artery
Answer:

It is a branch of the first part of the maxillary artery

Branches:

“Understanding the middle meningeal artery through FAQs: Anatomy, functions, and uses explained”

“Importance of studying the middle meningeal artery for medical students: Questions explained”

Related Foramen:

• It is transmitted through foramen spinosum

Supplies following structures:

• More of bone & less of meninges
• Bone & red bone marrow in the dipole
• Small branches of duramater

“Role of hematoma in causing epidural bleeding: Questions answered”

Course:

• In the infratemporal fossa, the artery runs upwards & medially deep to the lateral pterygoid muscle & superior to the Sphenomandibular ligament
• It enters the middle cranial fossa through the foramen spinosum
• Here it runs forwards & laterally, grooving the squamous temporal bone & divides into

1. Frontal/ Anterior branch:
   • It is larger branch
   • It runs forwards & laterally towards the lateral end of the lesser wing of the sphenoid
2. Parietal/ Posterior branch:
   • It runs backwards over, or near the superior temporal sulcus of the cerebrum about 4 cm above the level of the zygomatic arch

Clinical Importance:

It is commonest source of extradural hemorrhage

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Question 2. Circle of Wills
Answer:

It is an arterial circle, situated at the base of brain in the interpeduncular fossa

Formed by:

1. Anterior & middle cerebral branches of internal carotid artery

• They are interconnected by anterior communicating artery

2. Posterior cerebral branches of basilar artery

• Middle & posterior cerebral artery are united by posterior communicating artery

“Steps to explain disorders affecting the middle meningeal artery: Hematoma vs aneurysm: Q&A guide”

Branches:

1. Cortical/ External branches
   • Runs on the surface of the cerebrum
   • Anastomose freely
2. Central branches
   • They are arranged in following groups

“Factors influencing success with middle meningeal artery studies: Q&A”