Lecture #13 Flashcards
1
Q
What are cones in the eye?
A
Sensory nerve fibers for seeing color
2
Q
What are rods in the eye?
A
A single sensory nerve fiber that says how bright things are
3
Q
What are photoreceptors?
A
Modified neurons that receive light
4
Q
What is the shape of rods compared to the shape of cones?
A
Rods are long and thin projections that are more sensitive to light while cones are short blunt protections that are more sensitive to pigments
5
Q
What are two causes of hearing loss in old age?
A
Damage of hair cells in the spiral organ and degeneration of nerve pathways to the brain
