Olfaction
True or false: sensory pathways are rapidly adapting
True
What are the 5 primary tastes?
Sour, sweet, bitter, salty, umami
What is the correct anatomical term for eyelids?
Palpabrae
What are the 3 principal regions of the ear?
External, internal, and middle ear
What is equilibrium controlled by?
Vestibular apparatus
How much does pathway activity decrease by in the first second?
50%
What increases the surface area for gustation?
The taste buds
What gland is associated with tears and the crying process?
The lacrimal gland (and ducts)
What is the function of the tympanic membrane?
Separates the outer ear from the cavity of the middle ear
What are the 2 types of equilibrium?
Static and dynamic equilibrium
How long does it take until the pathways are completely accommodating?
1-2 minutes
What are 4 areas associated with gustation?
Tongue, soft palate, pharynx, larynx
What are the 3 layers of the eyelids?
The fibrous, vascular and nervous tunic
Where is the cochlea located?
Anterior to the vestibule
What is a crista?
An elevation within the ampulla
Olfactory supporting cells and glands are innervated by what nerve?
The facial (VII) nerve
How many taste buds are there on the tongue?
Nearly 10,000
What is myopia?
Nearsightedness
How many ossicles does the middle ear contain?
3
Define static equilibrium
The state of balance relative to the force of gravity
What causes the nose to run when certain odours are smelled?
Parasympathetic motor innervation
What is each taste bud made of?
Gustatory receptor cells, supporting cells, and basal cells
Name the 6 structures of the eyeball
palpebra, eyelashes, extraocular muscles, conjuctivia, lacrimal glands and ducts, eyebrow
What are the endings of each semicircular canal called?
The ampullas
What type of equilibrium involves the maintenace of balance during sudden movements?
Dynamic equilibrium