Cervical vertebra - typical The cervical vertebrae contain foramina in the transverse processes, called foramina transversarium.
The descending thoracic aorta passes down the thorax on the left side of the vertebrae.It enters in the diaphragm in the abdominal cavity called the aortic hiatus and then becomes the abdominal aorta.It then divides into the right and left common iliac arteries at the lower border of the 4th lumbar vertebra. Then divides again at the 5th and last lumbar intevertebral disc into the internal and external iliac artery.
vertebral arteries
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The left & right vertebral arteries.
The vertebral arteries are branches from the subclavian arteries that travel up the spine in the foramen transversarium and into the skull in the formen magnum. They fuse at the level of the midbrain to form the basilar artery and then the posterior cerebral arteries. They supply blood to the brainstem, cerebellum and posterior portions of the brain.
Cervical Vertebra - Typical
No veins pass through the the transverse foraminae. The vertebral arteries, however, pass through these spaces on their way to the brain.
Cervical vertebrae possess transverse foramina to allow for the vertebral arteries to pass through on their way to the foramen magnum to end in thecircle of Willis.
A transverse foramen is located on the transverse process of cervicle vertebra. The vertebral foramen is the large (more anterior) opening in the body of a vertebra through which the "spinal chord" passes. when the vertebra are stacked in the vertebral column, the series of vertebral foramen is called the vertebral canal.
The descending thoracic aorta passes down the thorax on the left side of the vertebrae.It enters in the diaphragm in the abdominal cavity called the aortic hiatus and then becomes the abdominal aorta.It then divides into the right and left common iliac arteries at the lower border of the 4th lumbar vertebra. Then divides again at the 5th and last lumbar intevertebral disc into the internal and external iliac artery.
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vertebral arteries
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The anterior portions of the brain are supplied by the internal carotid arteries. The posterior portion of the brain is supplied by the vertebral arteries.
arteries
The left & right vertebral arteries.
The right and left vertebral arteries join together to form a single basilar artery at the base of the skull.