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TLS Online TPP Program

#Id: 9103

Resulting rise in cGMP activates protein kinase G leading to relaxation of the muscle and vasodilation

#Unit 4. Cell Communication and Cell Signaling #G Protein–Coupled Receptors #Part B Pointers
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TLS Online TPP Program

#Id: 1184

#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: 1185

#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: 1186

#Unit 7. System Physiology – Animal

Retinal ganglion cells contain melanopsin.
TLS Online TPP Program

#Id: 1187

#Unit 7. System Physiology – Animal

Types of retinal ganglion cells:
  large ganglion cells (magno, or M cells)
  small ganglion cells (parvo, or P cells)
TLS Online TPP Program

#Id: 1188

#Unit 7. System Physiology – Animal

A lesion that interrupts one optic nerve causes blindness in that eye.
TLS Online TPP Program

#Id: 1189

#Unit 7. System Physiology – Animal

Homonymous (same side of both visual fields) Hemianopia (half blindness)