Special Senses Worksheet/ Class Notes Flashcards
1
Q
The area of eye with only cones.
A
Fovea Centralis
2
Q
The changing of shape of lens to see closer objects.
A
Accomodation
3
Q
Receptor cells of the eye are called
A
Photoreceptors /rods & cones
4
Q
The eyelid is considered an ________ structure.
A
Accessory
5
Q
Smallest bones in body are found in ear and are collectively known as
A
Aucicles (small bones).
6
Q
Outermost covering of the eye, central and transparent and repairs easily
A
Cornea
7
Q
The sense of taste is called
A
Gustatory
8
Q
Receptors in the vestibule are called…?
A
Maculae
9
Q
Part of the eye is involved in hearing and balance
A
Inner ear or body labyrin
10
Q
Which structure is associated with color blindness?
A
Cones
11
Q
Outer ear
A
Auricle
12
Q
Smell, taste, sight, hearing together
A
Special senses
13
Q
Sense of smell
A
Olfaction
14
Q
Three bones of the middle ear
A
Maleius, incus, stapes
15
Q
Part if eye containing receptor cells.
A
Retina
16
Q
Bumpy surfaces of tongue
A
Papilla
17
Q
Small stones, float around in a gel that blend hair cells for hearing
A
Crista ampullaris
18
Q
Part of eye that is pigmented
A
Iris
19
Q
Scientific name for eardrum
A
Lympanic chiasma
20
Q
Outer ear
A
Auricle
21
Q
Smell, taste, sight, hearing together
A
Special senses
22
Q
Sense of smell
A
Olfaction
23
Q
Three bones of the middle ear
A
Maleius, incus, stapes
24
Q
Part if eye containing receptor cells.
A
Retina
25
Bumpy surfaces of tongue
Papilla
26
Small stones, float around in a gel that blend hair cells for hearing
Crista ampullaris
27
Part of eye that is pigmented
Iris
28
Scientific name for eardrum
Lympanic chiasma
29
Image formed on the retina is a
real image
30
Real images are
Reversed from left to right
Upside down
Smaller than the object
31
Connects to each eye
Optic nerve
32
Location where the optic nerve crosses. Fibers from the medial side of each eye cross over to the opposite side of the brain.
Optic chiasma
33
Contain fibers from the lateral side of the eye on the same side and the medial side of the opposite eye
Optic tracts
34
Caused by bacteria or viruses and is highly contagious
Conjunctivitis (pink eye)
35
Eye focuses images directly on retina
Emmetropia
36
(Nearsighted)- distant objects appear blurry: results from eyeball that is too long
Myopia
37
Near objects are blurry while distant objects are clear: results from an eyeball that is too short or from a "lazy lens."
Hyperopia (farsighted)
38
Images are blurry: results from unequal curvatures of the cornea or lens
Astigmatism
39
Inhibited rod function that hinders the ability to see at night
Night blindness
40
Genetic conditions that result in the inability to see certain colors: due to lack of one type of cone (partial color blindness)
Color blindness
41
When lens becomes hard and opaque, vision becomes hazy & disorted
Cataracts
42
Can cause color blindness due to increasing pressure within the eye
Glaucoma
43
Loss of same side of visual field of both eyes; results from damage to visual cortex on one side only
Hemianopia
44
Houses two senses: hearing, equilibrium (balance)
The ear
45
Ear is divided into three areas.
External
Middle
Inner
46
Involved in hearing only
External (outer) ear
47
Outer ear
Auricle (pinna)
48
Narrow chamber in temporal bone- lined with skin and wax
External acoustic meatus (auditory canal)
49
External ear ends at
The tympanic membrane (eardrum)
50
Involved in hearing, air filled cavity within temporal bone. Allows for equalizing pressure during yawning or swallowing.
Middle ear (tympanic cavity)
51
Malleus (hammer)
Incus (anvil)
Stapes (stirrup)
Three bones (ossicles) span the cavity (in the middle ear)
52
Function of middle ear
Produce vibrations that move the malleus -> anvil -> stirrup -> inner ear
53
Inner ear or Bony Labyrinth
Involved in hearing and balance
54
Cochlea, vestibule, semicircular canals
Maze of bony chambers within the temporal bone
55
Vestibular apparatus
Organs of equilibrium
56
Responds to the position of head when body is not moving
Static equilibrium
57
Receptors in vestibule
Maculae
58
Hair cells are embedded in
Membrane
59
Tiny stones float in gel around hair cells
Otoliths
60
Movements cause otoliths to bend the
Hair cells
61
Responds to angular or rotary movements
Dynamic equilibrium
62
Tuft of hair cells covered by a gelatinous cap that responds to movement
Crista ampullaris
63
Located in cochlea
Organ of corti
64
Form sound waves move tectorial membrane
Vibrations
65
These are bent by the membrane
Hair cells
66
Hearing loss of any degree
Deafness
67
Ruptured eardrum
Otosclerosis
68
Progressive deafness
Meniere's Syndrome
69
Sensation of spinning
Vertigo
70
Sense of smell
Olfaction
71
These are found in the roof of nasal cavity
Olfactory receptors
72
Chemicals must be dissolved in mucus for
Detection
73
Interpretation of smells is made in
Cortex
74
Taste is the combination of?
Smell (olfaction) and taste (gustatory)
75
The tongue is covered with projections called
Papillae
76
Found on sides of papillae
Taste buds
77
Have hair cells stimulated by chemicals dissolved in saliva
Gustatory cells
78
Taste sensation on front of tongue
Sweet receptors (sugars)
79
Taste sensation on back sides of tongue
Sour receptors
80
Taste sensation on back of tongue
Bitter receptors
81
Taste sensation on front sides of tongue
Salty receptors
82
Tiny stones that float around in a gel that bend hair cells for hearing
Otoliths
83
Tuft of hair cells covered by gelatinous cap that respond to movement
Crista ampullaris
84
Pigmented part of eye
Iris
85
Part of eye that controls amount of light going into/ out if eye by dilating or constricting
Iris
86
The auditory canal through your skull
External acoustic meatus
87
Equilibrium is
Balance
88
Produces and releases tears
Lacrimal apparatus
89
Vestibule, semicircular canals, cochlea
Three bony chambers of inner ear
90
Four accessory structures of eye
Eyelids (lubricate)
Conjunctiva (music producing and lubricate)
Lacrimal apparatus (protects, moistens, lubricate, tears.
Eye muscles (make eye movements)
