Assertion: brainstem's part | /r/Synonym | prepyramidal fissure
Facets:
value: classically
type: MANNER
Source sentences:
text: The suboccipital surface, exposed in the suboccipital operative approaches and located below and between the sigmoid and transverse sinuses, is the site of the suboccipital fissure, which has a vermian part called the prepyramidal fissure, and a hemispheric part referred to as the prebiventral and tonsillobiventral (secondary) fissures.
text: The vermian part of this fissure is classically called the prepyramidal fissure, and the hemispheric part is called the prebiventral fissure.57,67