Photodecomposition of riboflavin generates a free radical that initiates polymerization.

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#Unit 7. System Physiology – Animal

Homonymous (same side of both 

visual fields) Hemianopia (half blindness)

A lesion in one optic tract causes blindness in half of the visual field

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#Unit 7. System Physiology – Animal

Heteronymous (opposite sides of the visual fields) Hemianopia 

A lesions in the optic chiasm

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#Unit 7. System Physiology – Animal

The responses of the rods, cones, and horizontal cells are hyperpolarizing potential

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#Unit 7. System Physiology – Animal

The responses of amacrine cells produce depolarizing potential

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#Unit 7. System Physiology – Animal

The labyrinth has three components: 

Cochlea (containing receptors for hearing)

Semicircular canals (containing receptors that respond to head rotation)

Otolith organs (containing receptors that respond to gravity and head tilt)