What does the eyelid do?
Protects the anterior surface of the eye and helps wash tears over eye.
What does the outer ear do?
Directs sound waves into the middle ear and tympanic membrane.
What is the function of a taste bud?
Allow you to perceive taste
What is another word for smell?
Olfaction
What is another name for middle ear infection?
otitis media
What is the difference between rods and cones?
Rods: active at low light levels.
Cones: active at high light levels.
What is another name for the tympanic membrane?
Eardrum
What is a gustatory cell?
The cell that does the actual tasting---Part of taste buds
What are the olfactory cilia?
What causes Conjunctivitis?
bacteria
What are the three layers of the eyeball?
Fibrous Tunic, Vascular Tunic, Nervous Tunic
What is the small tube that extends from the tympanic cavity into the pharynx?
Auditory (Eustachian) Tube
What are papillae?
Bumps on the tongue that grip food---contain taste buds
What is the olfactory bulb?
Receive info about smells from the nose and send it to the brain through olfactory tracts
What are the three types of Ametropia?
Myopia, Hyperopia, Presbyopia
How many muscles are in the eye?
6
What are the three auditory ossicles?
Melleus, Incus, Stapes
What are the five different tastes?
Sour, Sweet, Bitter, salty, Umami
What enables the olfactory system?
What disease is characterized by excessive pressure in the eye?
Glaucoma
What are the structures within the Vascular Tunic?
Choroid, Ciliary Body, Iris, Lens, Pupil
What pathway does sound take through the ear?
Auricle--External Auditory canal--Tympanic Membrane--Ossicles--Vestibule--Cochlea--Auditory tube--cranial nerves
What are the four types of papillae?
Circumvallate, Fungiform,Foliate, Filiform
What is the smell pathway?
Olfactory receptor cells--neural impulse--olfactory nerve axons--olfactory bulb--olfactory tract--brain
What disease in the eye has an unknown cause?
Strabismus