Body Part - Head/Brain
SULCAL EFFACEMENT
The sulci of the brain are squished together. Effacement means that they are blurred and not well seen. Usually this is due to something pushing on the brain like blood, stroke, or tumor.
SULCUS
The space between the folds of the brain.
SUPRA
Above something.
SUPRA-SYLVIAN
Located above the sylvian fissure. The sylvian fissure is normal brain anatomy. The radiologist may make reference to this when describing an abnormality.
SUPRASELLAR
Located above the sella.
SUPRATENTORIAL
Located above the tentorium of the brain. The tentorium is like a “tent” and separates the top from the bottom half of the brain.
SUSCEPTIBILITY (brain)
Small dark spots on the brain usually related to old blood.
SUSCEPTIBILITY ARTIFACT
An MRI term used to describe the black blotches and distortion as a result of metal in the body such as spine or dental hardware. It makes it hard to look at that part of the body.
SUTURE
The part of the skull where two pieces of bone come together. Think of a zipper that connects two parts of your coat. The suture is the zipper.
SYLVIAN FISSURE
Normal brain anatomy.
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