Flashcards in Exam 2 Stuff Deck (10)
Caudate nucleus and putamen ---> globes pallidus and substantial nigra?
Cortex---> caudate nucleus and putamen?
Multiple pathways from brainstem?
Norepinephrine, serotonin (inhibitory), encaphalin
Multiple glutamate pathways?
Provide most of the excitatory signals
Lesions globus pallidus?
Frequently leads to spontaneous and often writhing movements of a hand, an arm, the neck, or the face, movements are called Athetosis
Lesions in subthalamic nuclei?
Leads to sudden flailing movements of an entire limb, an condition called---hemiballismus
Lesions in striatum?
Leads to flicking movements in the hands, face, and other parts of the body, called---chorea
Lesions in the substantia nigra?
The common and extremely sever disease of rigidity, akinesia, and tremors known as --Parkinson's
Layers of the gut tract wall (OUTSIDE IN)?
- longitudinal smooth muscle
- myenteric plexus (of Auerbach)
- circular smooth muscle
- meissner's plexus (submucosal plexus)