A black circular opening in the center of the iris
What is PUPIL
100
Also known as stapes
What is STIRRUP
100
Also known as pinna
What is AURICLE
200
Receptors for the sense of smell
What is OLFACTORY RECEPTORS
200
Region of the retina where vision is sharpest
What is FOVEA CENTRALIS
200
A muscular, vascular, and colorful layer surrounding the pupil
What is IRIS
200
The size of the pupil, which is controlled by the dilator and constrictor muscles of the iris, regulates the amount of light entering the eye. This definition best describes
What is CONSTRICTION
200
Where the eyelid meet near the nose
What is INNER CANTHUS
300
The auditory ossicles are
What is MALLEUS, INCUS, AND STAPES
300
The opaque middle layer of the eyeball
What is CHOROID
300
A jelly-like substance refracting light and giving shape to the eye
What is VITREOUS HUMOR
300
Light rays are being bent as they pass through the colorless structures of the eye, enabling light to focus on the retina. This definition best describes
What is REFRACTION
300
Where the upper and lower eyelids meet
What is CANTHUS
400
Retinal receptors for color
What is CONES
400
The Canal of Schlemm, a venous sinus, allowing the drainage of ______________ from the eye into the bloodstream
What is AQUEOUS HUMOR
400
The correct order for the parts through which light passes as it enters the eye
What is CORNEA-AQUEOUS HUMOR-LENS-VITREOUS HUMOR
400
Continously being secreted by the ciliary body
What is AQUEOUS HUMOR
400
Color vision is best in te region of the
What is MACULA
500
The eye is able to focus the image of an object on the retina by changing the curvature in the lens. This definition best describes
What is ACCOMMODATION
500
Maintains the equal atmospheric pressure within the middle ear
What is EUSTACHIAN TUBES
500
Manufactures and drains tears to keep the eueball moist and sweep away debris that might enter the eye
What is LACRIMAL APPARATUS
500
The vitamin responsible for the production of color in the cones for day vision is
What is VITAMIN A
500
A curved structure that focuses images on the retina