Term
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Definition
| Stimuli detectors that create electrical pulses |
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Term
| What is another name for smell? |
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Definition
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Term
| In order to recieve a smell it must be in a...? |
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Definition
|
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Term
| Where are smell receptors located? |
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Definition
| In the nasal epithlium (over the surface of the superior conchae) |
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Term
| What is the name of the gland that makes mucous in the nasal cavity? |
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Definition
|
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Term
| Whare are taste receptors located? |
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Definition
| taste buds on the papillae, soft palate, and the pharynx |
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Term
| In order to taste, chemicals must be in a...? |
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Definition
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Term
| What are the major taste centers and where are they located? |
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Definition
| Sweet-tip of tongue Sour-behind sweet salty-sides bitter-back umami-n/a |
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Term
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Definition
| Upper and lower eyelids conjunctiva, tarsal plate, commisures, eyelash |
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Term
| Lacrimal apparatus components? |
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Definition
| lacrimal fluid(tears, lacrimal glands, excretory lacrimal ducts, lacrimal puncta, lacrimal canal, lacrimal sac, nasolcrimal duct |
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Term
| What is the conjunctiva and where is it located? |
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Definition
It is a thin protective mucous membrane compsed of stratified columnar epithlium
-located over the sclara |
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Term
| Which structures are in the fibrous tunic? |
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Definition
|
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Term
| Which structures are in the Vascular tunic? |
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Definition
| Choroid, iris, pupil, and ciliary body |
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Term
| Which structures are in each division o the Nervous Tunic? |
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Definition
| Retina, lens, virtreous chamber, optic disc, and interior of eyeball |
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Term
| What is the difference between the muscles of the eye and the ciliary muscles? |
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Definition
eye muscles-move eyeball
ciliary muscles-alter shape of lens |
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Term
| What are the names and functions of the receptor cells in the retina? |
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Definition
Rods-allows you to see dim light
Cones-alloes you to see color |
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Term
| What is the pigment found in rods and what color is it? |
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Definition
|
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Term
| Where are the most cones found? |
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Definition
| In the central fovea of the macula lutea |
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Term
|
Definition
| The change in shape of the lens |
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Term
| What determines eye color? |
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Definition
|
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Term
| How is the ammount of light that passes to the retina controlled, starting at the cornea? |
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Definition
1)Refractionor bending of light by the lens and cornea
2)Accomidation-change in shape of the lens
3)Constriction-narrowing of the pupil |
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Term
| Changing from far vision to near vision involves...? |
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Definition
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Term
| What is farsightedness and how is it corrected? |
|
Definition
| eyeball is too short and the image falls behind the retina (needs a convex lens) |
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Term
| What is nearsightedness and how is it corrected? |
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Definition
| The eyeball is too long and the image falls short of the retina (needs a concave lens) |
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Term
|
Definition
| The optic disc is where blood vessels converge and no photoreceptors are present(blind spot) |
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Term
| What are the cavities of the eye? |
|
Definition
| Anterior cavity, and virtuous chamber |
|
|
Term
| What is found in the anterior chamber? |
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Definition
|
|
Term
| What is found in the virtreous chamber? |
|
Definition
|
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Term
|
Definition
| nearsightedness-eyeball is too long and the image falls short |
|
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Term
|
Definition
| Farsightednes-the eyeball is too short and the image falls behind the retina |
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Term
|
Definition
| Lens looses the ability to accomidate |
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Term
|
Definition
| Excessive intraocular pressure that causes damage to the eye |
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Term
|
Definition
| Disease that can degenerate the retina and cause blindness |
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|
Term
| What produces war wax and what is it called? |
|
Definition
| Ceruminous glands, cerumen |
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Term
| What is the function of the auditory tube and its importance? |
|
Definition
| It is the passageway leading from the middle ear to the nasl cavity. It allows for equilizing air pressure between the middle and external ear. It also keeps the tympanic membrane from bulging. |
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Term
| What structures are openings of the middle ear? |
|
Definition
Oval window-stapes attaches to inner ear
Round window-membrane between middle and inner ear |
|
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Term
|
Definition
1)Malleus-hammer
2)Incus-anvil
3)Stapes-stirup |
|
|
Term
| Where are the semicircular canals and what is their function? |
|
Definition
| In the inner ear- they are responsible for dynamic equilibrium and the equilibrium of rotation |
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|
Term
| What are the parts of the external ear? |
|
Definition
| Aurricle(pinna) and external auditory meatus |
|
|
Term
| What are the parts of the midle ear/ |
|
Definition
| Ossicles, oval window, and round window |
|
|
Term
| What are the parts of the inner ear? |
|
Definition
| bony labyrinth and the membraneous labyrinth |
|
|
Term
| What structure in the inner ear deals with hearing? |
|
Definition
|
|
Term
| Which parts of the inner ear deal with equilibrium and what type does each deal with? |
|
Definition
Bony Labyrinth
1)Vestibule-static equilibrium
2)Semicircular canal-dynamic equilibrium |
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|
Term
| What is the optic chiasma? |
|
Definition
where the nerves of the eye cross to the opposite side of brain
ex-right eye, left side of brain |
|
|
Term
|
Definition
| disagreement between eye's perception and the Vestibular system's sense of movement. Results in dizziness, fatigue, and nausea. |
|
|
Term
| What is meniere's disease? |
|
Definition
| dissorder of the inner ear that can affect hearing and balance caused by increased pressure of the endolymph. |
|
|
Term
|
Definition
| Clouding of the crystaline lens of the eye that can result in blindness if not treated |
|
|
Term
| What is the refractive media of the eye? |
|
Definition
| The lens and the vitreous humor |
|
|
Term
| What is the vitreous humor? |
|
Definition
| The clear gel that fills the area between the lens and the retina |
|
|
Term
| What is the aqueous humor? |
|
Definition
| The thin watery fluid that fills the space between the cornea and the iris (anterior chamber) |
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