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.
a.v. Tentorium cerebelli; almost horizontal sheet lies in transverse fissure btwn cerebrum and cerebellum; enclose transverse sinus b. Arachnoid Villi (arachnooid granulations); knob like projections called arachnoid villi, project thru dura mater over the superior part of brain into superior sagittal sinus and other dural sinuses; villi act as valves that allow CSF to pass from subarachnoid space into dural blood sinuses c. Pia Mater; delicate, vascularized connective tissue.