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Restorative Art > Physiognomical forms of the Ear > Flashcards

Physiognomical forms of the Ear Flashcards

1
Q

The ear is also known as the

A

Pinna

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2
Q

This feature changes less in a lifetime than any other feature

A

The ear

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3
Q

The purpose of the ear is to capture and direct

A

sound to the ear passage

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4
Q

The mass of the ear has this form

A

Wedge-like

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5
Q

The outer rim of the ear resembles a

A

question mark

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6
Q

The linear form of the anterior border is

A

Relatively straight

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7
Q

The ear is composed of cartilage except for

A

the fatty lobe

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8
Q

As paired features, the ears display the most noticeable differences in

A

position and form

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9
Q

The width is ____ the length

A

2/3rds

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10
Q

The widest portion is usually in the

A

Superior third of the ears length

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11
Q

Anatomical guides provide

A

greater accuracy than proportions

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12
Q

The ear passage (external opening)

A

External Auditory Meatus

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13
Q

The zygomatic arch originates from the skull

A

directly superior to the ear passage

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14
Q

This divides the length of the ear

A

The zygomatic arch

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15
Q

This lies directly anterior to the ear passage

A

Mandibular fossa

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16
Q

The mandibular fossa is hidden by the

A

tragus

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17
Q

This lies posterior and inferior to the ear passage

A

Mastoid process

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18
Q

The mastoid process is hidden by the

A

lobe

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19
Q

This is the keystone to accurate location of the ear

A

The external auditory meatus

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20
Q

The ear passage aligns with the

A

front border of the ear

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21
Q

This lies directly above the ear passage

A

Zygomatic arch

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22
Q

This divides the ear into equal halves

A

Zygomatic arch

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23
Q

The outer rim of the ear is also known as the

A

Helix

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24
Q

The general shape of the helix is a

A

question mark

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25
Q

The origin of the helix is also known as the

A

Crus

26
Q

This is within the concha

A

The origin of the helix

27
Q

The crus lies upon the

A

Zygomatic arch

28
Q

The origin of the helix is flattened into the wall of the

A

Concha

29
Q

The origin of the helix divides the

A

length of the ear

30
Q

The origin of the helix is deeper than the

A

The surface of the cheek

31
Q

The ear terminates here

A

at the top of the lobe

32
Q

On the lobeless ear, the cartilage

A

continues in the cheek

33
Q

This is the beginning of the outer rim lying in the concha

A

The crus of the helix

34
Q

The inner rim of the ear is also known as the

A

Antihelix

35
Q

The origin of the antihelix is at the

A

superior portion of the lobe

36
Q

The upper portion of the antihelix bifurcates into two branches

A

Crura

37
Q

The antihelix has greater _____ than the helix

A

width

38
Q

The crura branches are

A

The superior branch and the anterior branch

39
Q

The upper branch of the antihelix is the

A

Superior branch

40
Q

The measurement of the upper one third of the ears length is the

A

Anterior branch

41
Q

The shallow depression lying between the crura is the

A

Triangular fossa

42
Q

The triangular fossa is located

A

in the anterior portion of the ear

43
Q

The triangular fossa extends relatively far behind the

A

helix

44
Q

The fossa between the inner and outer rim is known as the

A

Scapha

45
Q

The scapha is relatively

A

long

46
Q

The scapha is the ____________ of the depressions

A

shallowest

47
Q

The concave shell of the ear

A

Concha

48
Q

The concha is located

A

behind and above the ear passage

49
Q

The concha’s depth is __________ to the ear passage

A

graduated

50
Q

The concha creates the _________ of the length of the ear

A

middle third

51
Q

The small eminence rising from the cheek and protecting the ear passage

A

Tragus

52
Q

The tragus is a _____________ mass

A

Wedge like

53
Q

The inferior end of the tragus attaches to the

A

lobe

54
Q

The front border of the tragus is often

A

indistinct

55
Q

The tragus may be marked by a

A

vertical furrow

56
Q

The small eminence on the upper margin of the lobe

A

Antitragus

57
Q

The antitragus is slightly

A

inferior and posterior to the tragus

58
Q

The hollow between the tragus and antitragus

A

Intertragic Notch

59
Q

The intertragic notch is located

A

anteriorly to the upper border of the lobe

60
Q

The fatty inferior segment of the ear

A

Lobe

61
Q

The lobe is the ____________ of the ear’s length

A

Lower third

62
Q

The underlying structure to the lobe is the

A

Mastoid process

Restorative Art (19 decks)

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