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foramen spinosum

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foramen spi·no·sum (sp-nsm)
n.
An opening in the greater wing of the sphenoid bone, in front of the spine, transmitting the middle meningeal artery.
foramen spinosum,
a small opening near the posterior angle of the greater wing of the sphenoid bone. It is the smallest of three pairs of sphenoidal foramina that transmit nerves and blood vessels.


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They include the absence of the foramen spinosum on the affected side and the enlargement of the proximal tympanic segment of the facial nerve canal adjacent to the cochleariform process.
Aberrant internal carotid artery as a cause of pulsatile tinnitus and ... by Correa, Gonzalo / Ear, Nose and Throat Journal
The left foramen ovale and foramen spinosum, as well as the horizontal part of the left internal carotid canal, were eroded, and the tumor extended through the anterior wall of the middle ear (figure 2).
Facial palsy from metastatic nasopharyngeal carcinoma at various ... by Low, Wong-Kein / Ear, Nose and Throat Journal
 
 
 
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