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Vascular System
Consists of an arterial blood supply, a capillary network, and venous drainage.
Vascular plexus
A large network of blood vessels.
Anastomosis
A connecting channel among vessels; a way for blood vessels to communicate with each other.
Artery
A blood vessel that arises from the heart and carries blood away from it.
Capillary
The smallest blood vessels, supplying blood to a large tissue area due to their abundant presence.
Vein
A blood vessel that carries blood to the heart.
Venous sinuses
Blood-filled spaces between two layers of tissue.
Atherosclerosis
Narrowing and blockage of arteries due to plaque build-up.
Thrombus
A clot that forms on the inner blood vessel wall.
Embolus
Foreign material or thrombus traveling in the blood that can block a vessel.
Hemorrhage
Large amounts of blood escaping into surrounding tissue without clotting due to vessel injury.
Hematoma
A bruise resulting from a blood vessel injury, causing blood to escape into surrounding tissue.
Common Carotid Artery
A major artery in the neck that supplies blood to the head and neck region.
External Carotid Artery
Supplies extracranial tissues of the head and neck, including muscles of mastication, oral cavity, and facial structures.
Facial Artery
Supplies the face, including the oral, buccal, zygomatic, and nasal regions.
Maxillary Artery
The largest terminal branch of the external carotid artery, supplying deep structures of the face.
Pterygoid plexus
A network of veins located near the maxillary tuberosity.
Internal Jugular Vein
Drains most of the deoxygenated blood from the brain and face.
Cavernous Sinus
Contains venous blood, located near the brain's base; infections may spread here cause serious health risks.
Periodontal disease
A condition linked to cardiovascular disease, possibly due to oral bacteria entering the bloodstream or inflammation caused by the disease.
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