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43 Cards in this Set

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  • Back
outermost layer of skin
Epidermis
helps determine the color of your skin, more melanin=darker skin
Melanin
tough and elastic layer of skin below the epidermis
Dermis
the opening of a narrow channel that leads to a gland
Pore
produces oil
Sebaceous Gland
condition in which the oil glands become blocked, infected, and swollen
Acne
a physician who deals with skin disorders
Dermatologist
a condition in which an area of skin becomes red, swollen, hot, and itchy
Dermatitis
a virus that causes clusters of watery blisters or cold sores
Herpes Simplex I
an area of uncontrolled cell growth that invades the surrounding tissue and destroys it
Cancer
the most serious form of skin cancer
Melanoma
white of the eye
Sclera
the nerve that transmits visual information to the brain
Optic Nerve
allows light to enter into the eyes
Cornea
thin, moist membrane that covers the front part of the sclera and the inside of the eyelid
Conjunctiva
dark colored membrane that makes up most o the middle layer of the eye
Choroid
gives the eye its color
Iris
opening in the iris that allows light to pass through the cornea into the interior of the eye
Pupil
lies behind the iris and is a transparent structure that focuses light on the inner, back side of the eye
Lens
the light-sensing part of the eye
Retina
respond to dim light and allow you to see black, white, and gray
Rods
stimulated by bright light and enable you to see color
Cones
process by which your eyes see and your brain interprets images
Stereoscopic Vision
the ability to see things to the side of the object you are looking at
Peripheral Vision
the ability to see nearby objects clearly but not far away objects
Nearsightedness
the ability to see far away objects clearly but not nearby objects
Farsightedness
distorted vision caused by irregular curvature of the cornea or lens
Astigmatism
inability to distinguish certain colors
Color Blindness
a condition caused by the pressure of fluid between the cornea and lens
Glaucoma
clouding of the eye’s lens
Cataract
a red, painful swelling at the base of an eyelash gland
Sty
an inflammation o the conjunctiva
Conjunctivitis
a narrow cavity that leads to the middle ear
Ear Canal
vibrates when sound waves strike it, at the end o the ear canal
Eardrum
connects the middle ear with the back of the throat
Eustachian Tube
separates the middle ear from the inner ear
Oval Window
a hollow, coiled tube that is filled with fluid
Cochlea
nerve through which impulses travel to the brain where they are interpreted as sound
Auditory Nerve
main inner-ear structures that help give you a sense of balance
Semicircular Canals
refers to a partial loss of hearing
Hearing Impairment
total inability to hear
Deafness
units of intensity or loudness of sound
Decibels
a specialized ear doctor
Audiologist