Arteries

The Anatomy of the Maxillary Artery 1X

The Anatomy of the Maxillary Artery

Arising from the external carotid artery in the jaw, the maxillary artery supplies blood to deep structures of the face and mouth. The larger of the two terminal arteries arising from the external carotid artery in the upper-rear portion (called the...

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The Anatomy of the Anterior Tibial Artery

The anterior tibial artery delivers oxygenated blood to the front-facing chamber of the leg as well as the top of the foot. A major branch of the popliteal artery, the anterior tibial artery delivers oxygenated blood to the anterior (front-facing)...

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Arteries

Arteries are blood vessels that transport blood from the heart to various parts of the body. Explore how different arteries look and work.

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The Anatomy of the Ophthalmic Artery

The first branch of the internal carotid artery, the ophthalmic artery supplies blood to the eye as well as parts of the skull, face, and nose. Emerging as the first branch of the internal carotid artery to the side of the cavernous sinus, the...

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The Anatomy of the Posterior Tibial Artery

The posterior tibial artery (PTA) runs along the backside of the lower leg to provide oxygenated blood to parts of the lower leg and foot. Arising from the popliteal artery behind the knee, the posterior tibial artery (PTA) delivers oxygenated blood...

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The Anatomy of the Sphenopalatine Artery

The sphenopalatine artery is the main blood supply to the nasal cavity (the inside of your nose), and is a frequent source of nosebleeds. The sphenopalatine artery enters the back of the nasal cavity, the inside of the nose, providing blood supply...

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Capillary Structure and Function in the Body

Learn what capillaries are and about their structure and function in the lungs and tissues. Also learn about capillary microcirculation and fluid exchange. Capillaries are the smallest blood vessels in the body, connecting the smallest arteries to...

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What Is Arteriosclerosis?

Arteriosclerosis is a hardening of the arteries. It may cause symptoms such as chest pain, shortness of breath, and leg cramps. Atherosclerosis is a disease in which plaque builds up in your arteries. Technically, atherosclerosis is a subtype of...

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The Anatomy of the Circle of Willis

The circle of Willis is a group of arteries in the brain resembling a circle or a hexagon. Dual blood supply in the structure protects the brain. The circle of Willis is a group of blood vessels in the brain that connect with each other, forming a...

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The Anatomy of the Anterior Cerebral Artery

The anterior cerebral artery is a primary source of blood to portions of the frontal and medial superior lobes of the brain. A clot can lead to stroke. Supplying the medial portions of the frontal and parietal lobes, the anterior cerebral artery,...

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The Anatomy of the Internal Iliac Artery

The internal iliac arteries are major arteries of the pelvis, providing the main blood supply to the pelvic organs, gluteal muscles, and perineum. The internal iliac arteries are the major arteries of the pelvis, and together with their many...

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