What is the meaning of middle meningeal artery?
What is the meaning of middle meningeal artery?
The middle meningeal artery is an artery located in the human head. This artery passes through an opening in the bones at the base of the skull called the foramen spinosum. This is a small opening, but it is vital to protect the artery, and also enables the artery to access the necessary areas of the brain.
Where does the middle meningeal vein drain?
The ipsilateral sinus of the lesser wing of sphenoid was opacified from the anterior branches of the meningeal veins and drained into the cavernous plexus (sinus).
Where are meningeal veins?
The veins of the brain are thin-walled, valveless and pierce the arachnoid mater and meningeal layer of dura mater (of meninges) to empty poorly oxygenated blood into the dural venous sinuses.
Where does middle meningeal artery come from?
The middle meningeal artery normally arises from the first or mandibular segment of the maxillary artery, just behind the condylar process of the mandible, and enters the skull through the foramen spinosum (see Fig.
Why middle meningeal artery is important?
The main function of the middle meningeal artery is to provide vascular supply to the dura mater. In addition, this artery provides arterial blood for the periosteal layer and inner aspects of cranial bones.
What does the MMA supply?
The MMA supplies most of the dura of the cranial convexity via its anterior and posterior divisions, and usually participates in the vascularization of the superficial half of the falx cerebri.
Is there a middle meningeal vein?
The middle meningeal vein parallels the path of the middle meningeal artery.
What is the meningeal vein?
Medical Definition of meningeal vein : any of several veins draining the meninges of the brain and neighboring structures.
What does middle meningeal nerve supply?
The middle meningeal nerve, also known as the meningeal branch of the maxillary nerve, is a branch of the maxillary division of the trigeminal nerve. It supplies the dura of the middle cranial fossa.
