The three known RLRs (RIG-I, MDA5, and LGP2) are CARD-containing RNA helicases that recognize viral RNAs, usually from RNA viruses such as influenza, measles, and West Nile.

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#Unit 7. System Physiology – Animal

Axons of retinal ganglion cells 

Received and transduced information and carried to the CNS

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#Unit 7. System Physiology – Animal

Blind spot 

There are no visual receptors over the optic disk.

 

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#Id: 1180

#Unit 7. System Physiology – Animal

The photosensitive pigment in the rods is called rhodopsin (visual purple).

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#Unit 7. System Physiology – Animal

Rhodopsin is comprised of: 

  Retinal (an aldehyde of vitamin A)

  Opsin protein (GPCR)

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#Unit 7. System Physiology – Animal

Retinal is parallel to the surface of the membrane and is attached to a lysine residue at position 296 in the seventh transmembrane domain.

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#Unit 7. System Physiology – Animal

Neurotransmitter release from the rods of retina- Glutamate