Electrical Synaptic Transmission and Chemical Synaptic Transmission Flashcards Preview

Neurobio > Electrical Synaptic Transmission and Chemical Synaptic Transmission > Flashcards

Flashcards in Electrical Synaptic Transmission and Chemical Synaptic Transmission Deck (11):
1

Length of gap junction

2-4nm

2

Diameter of gap junctional pore

10-20 Angstrom

3

Fits through gap junctions:

SAIGA
straight, small polypeptides
ATP, cAMP, cGTP
Ions
Glucose
Amino Acids

4

Distance of synaptic cleft

20-60nm

5

Distance of synaptic cleft at NMJ

50nm

6

Gap junction composed of two:

connexons

7

Connexons also called

hemichannels

8

Connexon made up of:

Six connexins

9

Cells connected by a gap junction are said to be:

electrically coupled (AP in one of the coupled cells will trigger an AP in the other)

10

Categories of neurotransmitters

BANS
Biogenic amines (dopamine, norepi)
Amino acids (glutamate)
Neuropeptides
Small molecule transmitters (ACh, GABA)

11

Neuropeptides are composed of:

3-36 amino acids