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Anatomy 214L > Chapter Eleven: Vision, Hearing, Gustation, + Olfaction > Flashcards

Chapter Eleven: Vision, Hearing, Gustation, + Olfaction Flashcards

1
Q

Superior and inferior lids are also known as…

A

Palpebrae

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2
Q

…is the intersect of the Iris and the Sclera

A

Limbus

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3
Q

The…is the colored part of your eye

A

Iris

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4
Q

The…is the white part of your eye

A

Sclera

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5
Q

The Iris is a set of what two intrinsic muscles?

A

Radial
Sphincter

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6
Q

The…is actually empty where light travels to the Retina

A

Pupil

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7
Q

What is this?
- clear structure protecting the anterior chamber of the eye from foreign objects
- retract light and focus it onto the retina

A

Cornea

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8
Q

Tears drain into the…

A

caruncle

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9
Q

What are the seven “stops” in the flow of tears?

A
  1. Lacrimal Gland
  2. Lacrimal Ducts
  3. Lacrimal Caruncle
  4. Lacrimal Canal
  5. Lacrimal Sac
  6. Nasolacrimal Duct
  7. Nasal Cavity
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10
Q

What two glands and what caruncle secreted lipid and protein rich secretions that moisten and protect the eye?

A

Ciliary Glands
Tarsal Glands
Lacrimal Caruncle

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11
Q

Name the 6 Extrinsic Muscles of the eye:

A
  1. Superior Rectus
  2. Inferior Rectus
  3. Medial Rectus
  4. Lateral Rectus
  5. Superior Oblique
  6. Inferior Oblique
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12
Q

What oblique extrinsic muscle of the eye moves the eye inferior and lateral?

A

Superior Oblique

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13
Q

What oblique extrinsic muscle of the eye moves the eye superior and lateral?

A

Inferior Oblique

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14
Q

What are the two cavities of the internal eye?

A

Anterior and Posterior Chamber

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15
Q

What cavity of the eye contains aqueous humor?

A

Anterior Chamber

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16
Q

What cavity of the eye contains vitreous humor?

A

Posterior Chamber

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17
Q

Name the three tunics of the internal eye (superficial to deep):

A

Sclera
Choroid
Retina

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18
Q

What tunic of the internal eye is fibrous?

A

Sclera

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19
Q

What tunic of the internal eye is vascular; provides nutrients to sclera and retina?

A

Choroid

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20
Q

What tunic of the internal eye is neural?

A

Retina

21
Q

…and suspensory ligaments support the lens and allow it to change shape for focusing light onto the retina

A

Ciliary Bodies

22
Q

The…is the location where the optic nerve exits the eye, it is the physiological blind spot

A

Optic Disk

23
Q

The…contains the highest density of cone cells in the retina and contains no rod cells

A

Fovea Centralis

24
Q

Do Cones or Rods see color?

A

Cones

25
Q

Do Cones or Rods see in dim lighting (only see black and white)?

A

Rods

26
Q

The external ear is composed primarily of…cartilage

A

Elastic

27
Q

The lobule is composed primarily of…

A

Adipose

28
Q

…is often referred to simply as Fossa

A

Scapha

29
Q

…(ear canal) extends 1.5 inches into the skull

A

External Acoustic Meatus

30
Q

…membrane vibrates with sound waves

A

Tympanic Membrane

31
Q

Vibrations transfer through ossicles to…in the inner ear

A

Cochlea

32
Q

Name the three ossicles (superficial to deep):

A

Malleus
Incus
Stapes

33
Q

As vibrations reach the cochlea, the…detects sound

A

Organ of Corti

34
Q

The Organ of Corti converts stimuli to action potentials which are sent to the brain via the…nerve

A

Vestibulococblear

35
Q

What two things within the inner ear are responsible for maintaining balance and equilibrium?

A

Semicircular Canals
Vestibule

36
Q

Vestibule: …equilibrium

A

static

37
Q

What are the pebble-like structures located in Vestibule?

A

Otoliths

38
Q

Semicircular: …equilibrium

A

dynamic

39
Q

What is the tongue called?

A

Muscular Hydrostat

40
Q

What are the two main functions of the muscular hydrostat?

A
  • assist the formulation of words during speech
  • manipulate food while chewing and swallowing
41
Q

…receptors are associated with taste buds which are associated with papillae

A

Gustatory Receptors

42
Q

What are the five basic tastes?

A
  1. Sweet
  2. Salty
  3. Sour
  4. Biter
  5. Umami
43
Q

What are the four zones of the tongue (proximal to distal)?

A
  1. Foliate Papillae
  2. Circumvalate Papillae
  3. Fungiform Papillae
  4. Filliform Papillae
44
Q

Gustatory…extend into taste pore

A

hairs

45
Q

Dissolved…bind to gustatory hairs

A

chemicals

46
Q

When chemicals bind to gustatory hairs, it triggers…if gustatory receptor cell

A

depolarization

47
Q

Gustation stimuli information is transmitted to the brain via what 3 cranial nerves?

A

VII - Facial Nerve
IX - Glassopharyngeal Nerve
X - Vagus Nerve

48
Q

Olfaction has 20,000 - …smells

A

50,000

49
Q

Olfactory receptors (bipolar neurons)
- receptor proteins on olfactory cilia (nasal lumen) that bind different…of molecules

A

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Anatomy 214L (9 decks)

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