click below
click below
Normal Size Small Size show me how
sick101
flashcards
Question | Answer |
---|---|
eustachian Tube | connects the middle ear with the back of the throat and nose |
oval window | covered by a thin membrane and between the middle ear and the inner ear |
Semicircular canals | are curved tubes in your inner that helps provide your sense of bala nce |
cochlea | a spiral tube containing recoptors that sense of vibratoins |
Lens | bends the light rays so they come togethere at a point inside |
retina | is the light senstive tissue that lines the inner ear |
Cornea | the clear covering at the front of your eye |
Iris | controls the size of the pupil |
cavity | the hole in the enamel |
nerve Impulses | electrical signals that are transmitted along the nerves |
cones | can distinguish colors but are less sentive to light |
Cataract | is a condition in which the lens becomes cloudy and blocks light entering the eye |
color blindness | a hereditary disorder in wich the person cannot distinguish between certain colors |
astigmatism | a condition that causes blurred vision at all distances |
Glaucoma | is causesedd by increasing preasure of the fliuds inside the eye |
nearsightednesss | a person sees closer objects, btu objects at a distance look blurred |
farsightedness | a person sees distant objects, btu objects at a closer look blurred |
plaque | a material made of saliva food partilse and bacteria |
Pulp | the softer inner tissue that contains blood vessels and nerves |
root | the part below the gum that fits into the jaw line |
molars | flat teeth large with severral rounded points that grind up food into bits |
enomel | a hard non living dense white matrerisal containing calcium |
Pre- molars | are flat teeth with double points that tear and crush food |
Incisors | are sharp front teeth that bite and cut food |
Dentin | Forms the body of the tooth and extends down in to the roots |