Module 12 Flashcards
4 types of Papillae?
Valiate Papilla, Foliate Papilla, Filiform Papilla, Fungiform Papilla
5 taste receptors?
Sweet, Umami, Sour, Bitter, Salty
_____ activates nociceptors and influences tastes?
Capsaicin
Each taste bud is capable of detecting all _____ basic tastes but each taste cell is specific for _____ 1 type.
5;1
Replaced every 2 months?
Olfactory Neurons
Cells of the Olfactory Epithelium?
Olfactory Neurons, Basal Cells, Supporting Cells
3 tunics of the eyeball wall?
Fibrous, vascular, nervous
What is the fibrous unit of the eyeball?
Sclera & cornea
What is the vascular unit of the eyeball?
Choroid, ciliary body, iris
What is the nervous unit of the eyeball?
retina
Cornea is ____ & _____?
Avascular and Transparent
Blood supply and Intrinsic muscles?
Vascular Tunic
Bending of light as it changes mediums?
Refraction
In distant vision, ciliary muscles in the ciliary body are _____?
Relaxed
In near vision, ciliary muscles in the ciliary body are _____?
Contracted
In distant vision, tension in suspensory ligaments is ____?
High
In near vision, tension in suspensory ligaments is ____?
Low
In distant vision, lens _____?
Flatten
In near vision, lens _____?
Thicken
What corrects Myopia?
Concave lens
What is myopia?
Nearsightedness
What corrects Hyperopia?
Convex lens
What is hyperopia?
Farsightedness
Day vision depends entirely on ____?
Cones
Each _____ has a specific frequency of light to which it is out responsive.
Opsin
The 3 colors of rods?
Red, blue, green
3 parts of the Auditory System?
Outer ear, middle ear, inner ear
Auricle, ear canal, tympanic membrane (ear drum) are apart of what structure in the ear?
Outer ear
Ear ossicles (ear bones) area apart of what structure in the ear?
Middle Ear
Vestibule, cochlea are apart of what structure in the ear?
Inner ear
Malleus, incus and stapes are apart of ____?
Middle ear
In the inner ear, the chambers are filled with _____?
Liquid
2 membranes in the Inner Ear?
Basilar membrane & Tectorial membrane
Order that a sound wave enters?
- Auricle
- Ear Canal
- Tympanic Membrane
- Malleus
- Incus
- Stapes
- Oval Window
- Fluid filled chambers
- Basilar Membrane
- Round window
______ properties determine how the membrane responds to sound?
Structural
___ frequency waves resonate near the narrow, stiff base
High
___ frequency waves resonate near the wide flexible apex
Low
The Fovea has all ____!
Cones
Related to vitamin A?
Retinal
In the dark, your retina _____? (more neurotransmitters released)
Depolarizes (Na+ gate opens)
In the light, your retina _____? (less neurotransmitters released)
Hyperpolarizes
Cones = ______?
Colors
Outer ear & Inner ear are filled with ____?
Air
ALL sensory goes to the ____?
Thalamus
Potassium Channel have? (starts with T)
Tip Links
House for taste buds?
Papillae
Biggest papillae?
Valiate papilla
Papillae on the back of the tongue?
Valiate
Food manipulation, no taste buds?
Filiform
Arterior Surface?
Fungiform
Papillae that looks like a leaf?
Foliate
Is the bud a cell? T or F
YES
What taste receptors use GPCR (G coupled porin receptors?)
Sweet, sour & unami
Scoville Heat Units measure how ____ something is
Spicy
Everything goes to the thalamus first except _____?
Olfaction
____ is associated with emotions & memories?
Smell
Rods & Cones are in what tunic?
Nervous
What will you get in bright conditions?
Cataracts
Corneal abrasions are what eyeball tunic?
Fibrous
Tunic consisting of sclera behind and the cornea in front?
Fibrous
Tunic comprising the choriod, ciliary body, and iris?
Vascular
Tunic associated with the retina?
Nervous
Only neurons that can regenerate?
Olfactory
_____ cells replace worn out gusty cells?
Basal
How many days for regeneration in olfactory neurons?
10
No taste buds?
Filiform
Neurotransmitter in dark & light?
Glutamate
Mechanical gates?
Tip links
______ is high in K+?
Stria vascular
Stria vascular is _____?
Endolymph
Vestibule & Semicircular canal?
Hearing & balance! (dynamic duo)