Week 7 steeplechase Flashcards
1
Q
Where does the sympathetic pathway originate from?
A
It originates from the lateral/ intermedaite horn of the thoracolumbar spinal cord then leaves via ventral roots of T1 to L3/L4
2
Q
How is repolarisation established?
A
Opening of k+ channels/ K+ leaves
then active transport of sodium outside of the cell
3
Q
How do synpases generally function?
A
action potential causes uptake of calcium which causes release of neurotransmitters via exocytosis which can then diffuse to the post-synaptic membrane