Eyeball
The outer tunic (layer) of your eye wall is made up of what 2 structures?
Cornea & Sclera
What is the name of the gland that produces tears?
Lacrimal gland
what is the common name for the tympanic membrane?
the eardrum
both smell and taste use what kind of receptors?
chemoreceptors
What is deafness? (generalize)
Which liquid helps your eyeball maintain its round shape? Is it in the anterior or posterior segment of the eye?
Vitreous humor, in the posterior segment
Where is the conjunctiva (a membrane) located?
on the inside/underside of your eyelids
the auditory tubes connect the middle ear to where?
the throat
what affects the way you taste something?
smell, temperature, texture
What is colorblindness?
The lack of color cones in the eye
where is the blind spot located on your eyeball?
at the back of the eye, where the optic nerve leaves the retina (optic disc)
What is the pupillary reflex?
your pupil contracts (gets smaller) when bright light is shone in your eye
in what part of your ear are the hearing receptors located?
the cochlea (organ of corti) of the inner ear
what stimulates the receptor cells on taste buds?
chemicals dissolved in the saliva
What is it called when your cornea and lenses do not have the correct curvature?
an astigmatism
What layer is the ciliary body part of in your eyeball? What does it do?
the ciliary body is part of the choroid layer, and it connects to the lens, helping it change shape to focus the light
What is the purpose of the meibomian glands?
to produce a modified oil to help lubricate your eyeballs
put the ossicles in the correct sequence from eardrum to oval window
hammer (malleus), anvil (incus), stirrup (stapes)
in order for you to smell something, the chemicals rom the environment have to be dissolved in what?
mucus layer of the nasal cavity
What is the general name for strabismus?
crossed eyes
What is the iris? What can it do?
the pigmented part of the choroid layer of your eye, and it can regulate the amount of light entering your eye by changing the size of your pupil
Why does your nose get stuffy when you cry? What structure is involved in that?
Your nose gets stuffy because some of the tears drain from your eye to your nose through the nasolacrimal duct
what part of the inner ear deals with static equilibrium? dynamic equilibrium?
static: maculae in the vestibule
dynamic: crista ampullaris in the semicircular canals
name the 5 taste sensations
sweet, salty, bitter, sour, umami
What special sense is not fully functional at birth (in a healthy baby)?
eyesight