Facilitation may be important in early seral stages and inhibition important in later ones or vice versa.

TLS Online TPP Program

#Id: 5644

#Unit 7. System Physiology – Animal

TLS Online TPP Program

#Id: 5645

#Unit 7. System Physiology – Animal

Neurotransmitter release from the rods of retina- Glutamate

TLS Online TPP Program

#Id: 5646

#Unit 7. System Physiology – Animal

When light strikes the outer segment of Rod cells: 

Na + channels closed 

Hyperpolarizing receptor potential

TLS Online TPP Program

#Id: 5647

#Unit 7. System Physiology – Animal

The hyperpolarization of rod cells:

Reduces the release of glutamate

Generates a signal in the bipolar cells

Leads to AP in ganglion cells 

TLS Online TPP Program

#Id: 5648

#Unit 7. System Physiology – Animal

Retinal ganglion cells contain melanopsin.

TLS Online TPP Program

#Id: 5649

#Unit 7. System Physiology – Animal

Types of retinal ganglion cells:

large ganglion cells (magno, or M cells)

small ganglion cells (parvo, or P cells)