Cardiovascular System
Superior Bulb of Internal Jugular Vein
Bulbus superior venae jugularis internae
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The superior bulb of the internal jugular vein is a dilation of the internal jugular vein at its origin, where the sigmoid and inferior petrosal sinuses join. It lies below the posterior part of the tympanic floor.
Related parts of the anatomy
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Internal Jugular Vein
The internal jugular vein (IJV) begins as a small dilation called the jugular bulb at the jugular foramen, and runs down the neck in the carotid sheath to form the brachiocephalic vein by joining the subclavian vein behind the medial end of the clavicle.
