Communication and homeostasis Flashcards
1
Q
describe temporal summation
A
when 2 or more nerve impulses arrive in quick succession from the same presynaptic neurone
1
Q
describe spatial summation
A
when neurones converge so the combined effect of the neurotransmitters reaches the threshold in the postsynaptic membrane and triggers and action potential
2
Q
what is summation and where does it happen?
A
the combined effect of neurotransmitters - happens at synapses
