Nervous System Flashcards
What does the corticospinal tract carry?
Skeletal muscles (motor, descending)
What does the spinothalamic tract carry?
Pain and temperature (sensory, ascending)
What does the spinocerebellar tract carry?
Balance and coordination (sensory, ascending)
Which lobe is responsible for vision?
Occipital lobe
Which part of the brain is responsible for memory?
Hippocampus
What do astrocytes do?
Nourish neurons, maintain blood-barrier
What do ependymal cells do?
Secrete CSF
What makes CNS myelin?
Oligodendrocytes
What makes PNS myelin?
Schwann cells
What neurotransmitter is used by sympathetic postganglionic neurons?
Norepinephrine (adrenaline)
What neurotransmitter is used by parasympathetic postganglionic neurons?
Acetylcholine
What does the somatic nervous system interact with?
Skeletal muscles and skin
What does the autonomic nervous system interact with?
Heart rate, digestion, and breathing
