bulb of jugular vein

(redirected from bulbus venae jugularis)

bulb of jug·u·lar vein

[TA]
one of two dilated parts of the internal jugular vein, especially evident via contrast radiography (venography): (1) the superior bulb (Heister diverticulum) is a dilation at the beginning of the internal jugular vein in the jugular fossa of the temporal bone (bulbus superior venae jugularis [TA]); (2) the inferior bulb is a dilated portion of the vein just before it reaches the brachiocephalic vein (bulbus inferior venae jugularis [TA]). Synonym(s): jugular bulb
Synonym(s): bulbus venae jugularis [TA]
References in periodicals archive ?
Intraoperatively, the right middle ear, the mastoid bone, the sigmoid sinus, and the bulbus venae jugularis were completely obstructed by cholesteatoma, causing a bone defect in the sigmoid sinus, and the facial nerve was completely open in the tympanic and mastoid segments (Figure: C).