neurofysiologie Flashcards

1
Q

hyperkaliemie

A

depolarisatie, tetanisatie

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2
Q

hypokaliemie

A

hyperpolarisatie, geen actiepotentiaal meer mogelijk

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3
Q

rheobase

A

kleinst mogelijke elektrische stimulus

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4
Q

epilepsie

A

Na kanalen te lang open

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5
Q

kenmerken elektrische synaps

A
  • geen agonist
  • membraan proteïne is connexine
  • snelheid is direct
  • synapsspleet is 3 nm
  • overvloed is laag
  • transmissie directie in beide richtingen
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6
Q

kenmerken ionotropische synaps

A
  • agonist is transmitter
  • membraan proteïne is kanaal of receptor
  • snelheid is in ms
  • synapsspleet nog 30 nm
  • overvloed is hoog
  • transmissie van pre naar post
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7
Q

kenmerken metabotropische synaps

A
  • agonist is transmitter
  • membraaneiwit is receptor of G-eiwit
  • snelheid in sec/min
  • synapsspleet 30 nm
  • overvloed is hoog
  • transmissie van pre naar post
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8
Q

GABA

A

inhiberend

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9
Q

Glutamaat

A

exciterend

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10
Q

Acetylcholine

A

exciterend

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