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Special Senses Eyes

The EYE

QuestionAnswer
What is the purpose of eyelashes and eyebrows? Keep out the dirt and pathogens
What glands produce tears? Lacrimal glands
The mucus membrane that lines the eye? Conjunctiva
The outermost layer of the eye, white of the eye? Sclera
Circular transparent part of the sclera, allows light rays to enter the eye? Cornea
Middle layer of the eye, interlaced with blood vessels? Choroid Coat
What do the blood vessels in the Choroid Coat do to the eye? Nourish it
The inner most layer of the eye, made up of nerve cells Retina
Nerve cells in the retina,sensitive to color, used for vision mainly in the light Cone cells
Nerve cells in the retina, used for vision when it is dark Rod cells
Colored portion of the eye, Iris
Opening in center of the iris Pupil
contains two muscles control size of pupil, regulating the amount of light Iris
Circular structure behind pupil,suspended by ligaments lens
Clear, watery fluid, fills space between cornea and iris Aqueous Humor
Helps maintain the forward curvature of the eye Aqueous Humor
Jellylike sustance that fills the area behind the lens Vitreous Humor
Maintains the shape of the eyeball Vitreous Humor
What is the white of the eye called? Sclera
What do you have more of Cones or Rods? Rods
What do you use more when are seeing peripherally, cones or rods? Rods
What happens to your pupil when the room is dark? It dialates
Created by: Ms. Blair