nerves and local anaesthetic Flashcards
(8 cards)
1
Q
how does local anaesthetic work?
A
blocking Na channels
2
Q
where along the length of a neutron are Na channels found?
A
nodes of ranvier
3
Q
local anaesthetic is known to be amphiphilic, what does this mean?
A
has both hydrophilic and hydrophobic parts, soluble in both water and fat
4
Q
what is a unipolar neuron?
A
sensory neuron with one axon and a cell body extending from the axon
5
Q
what is a bipolar neuron?
A
a common interneuron, consisting of 2 axons a cell body situated between them
6
Q
what is a multipolar neuron?
A
a neuron with a single axon and many processs
7
Q
give an example of a bipolar neuron
A
olfactory epithelium
8
Q
give an example of a multipolar neuron?
A
purjinke fibre
