Sharpening pencils is not only time-consuming, it can also be frustrating trying to achieve that perfectly pointed tip. Eliminate the hassle of sharpening with mechanical pencils that use lead refills that advance and retract with either twist-action or click-action to keep a sharp point constantly at the ready.
Overview. Problems. Contents. Anatomy. Point: 18. Superior cerebellar peduncle. Function: Principle efferent (out of) pathway of the cerebellum. Plays a major role in the coordination of the IPSI. arm and leg.esion of the superior cerebellar peduncle CAUDAL to the decussation will result in motor incoordination on the IPSI. side of the body, whereas a lesion that occurs ROSTRAL to the decussation results in CONTRA. motor incoordination of the arm and leg. Other Note: REMEMBER THAT CEREBELLAR LESIONS RESULT IN IPSI.
The tectum is in the dorsal part of the midbrain. The superior colliculi are a part of the visual system and are involved in visual reflexes and reactions to moving stimuli.The inferior colliculi appear as four bumps on the dorsal surface of the brain stem and are a part of the auditory system.he midbrain, or mesencephalon is made up of two main structures and surrounds the cerebral aqueduct.