The Ear

Question 1

Another name for the ear.

Answer 1

Pinna

Question 2

This changes less in a lifetime than any other feature.

Answer 2

The ear

Question 3

To capture and direct sound to the earpassage.

Answer 3

Purpose of The Ear

Question 4

The form of the mass of the ear.

Answer 4

Wedge

Question 5

The form of the outer rim of the ear.

Answer 5

Question Mark

Question 6

The linear form of the anterior border of the ear.

Answer 6

Relatively Straight

Question 7

The ear is composed of this.

Answer 7

Cartilage

Question 8

The exception to the ear being made of cartilage.

Answer 8

The Fatty Lobe

Question 9

As paired features, the ears display the most noticable differences in position and form when compared _________.

Answer 9

Together

Question 10

Why would you still be able to model a missing or damaged ear from a remaining ear?

Answer 10

• The details of both ears can’t be viewed together.
• Unless there is some perculiarity, present people tend to ignore this features intricacies.

Question 11

The details of these cannot be viewed together.

Answer 11

Both Ears

Question 12

Unless there is some peculiarity present, people tend to ______ the ears intricacies.

Answer 12

Ignore

Question 13

The width is two thirds the length, with the widest portion usually in the superior third (of the ears length).

Answer 13

Proportions of The Ear

Question 14

Two thirds it’s length.

Answer 14

Width of The Ear

Question 15

The superior third of the ear’s length.

Answer 15

Widest Portion of The Ear

Question 16

These provide greater accuracy than proportions for locating the ear.

Answer 16

Anatomical Guides

Question 17

The opening of the ear passage.

Answer 17

External Auditory Meatus

Question 18

Originates from the skull directly superior to the ear passage.

Answer 18

Position of the Zygomatic Arch

Question 19

Divides the length of the ear.

Answer 19

Zygomatic Arch

Question 20

Lies directly anterior to the ear passage.

Answer 20

Mandibular Fossa

Question 21

Hidden by the tragus.

Answer 21

Mandibular Fossa

Question 22

Lies posterior and inferior to the ear passage.

Answer 22

Position of The Mastoid Process

Question 23

Hidden by the lob of the ear.

Answer 23

Mastoid Process

Question 24

• External Auditory Meatus
• Zygomatch arch
• Mandibular Fossa
• Mastoid process

Answer 24

Anatomical Guides for Locating The Ear

Question 25

The keystone to accurate location of the ear. * More accurate than facial proportions.

Answer 25

External Auditory Meatus

Question 26

The ear passage aligns with this.

Answer 26

The front border of the ear.

Question 27

This lies directly above the ear passage and divides the ear into equal halves.

Answer 27

Zygomatic Arch

Question 28

* **_Mandibular Fossa_**- Directly anterior to the ear passage. * **_Mastoid Process_**- Lies below and behind the ear passage, covered by the lobe.

Answer 28

How to locate the ear when the external auditory meatus and zygomatch arch are destroyed.

Question 29

The outer rim of the ear.

Answer 29

Helix

Question 30

General shape of the helix.

Answer 30

Question Mark

Question 31

Lies within the concha. * Crus- lies upon the zygomatic arch * Is flattened into the wall of the concha. * Divides the length of the ear. * Is deeper than the surface of the cheek.

Answer 31

Origin of the Helix

Question 32

At the top of the lobe. * Exception: Is on a "lobeless" ear where the cartilage continues to the cheek.

Answer 32

Termination of the Helix

Question 33

The beginning of the outer rim lying in the concha.

Answer 33

Crus of the Helix

Question 34

The inner rim of the ear. * Has a greater width than the Helix

Answer 34

Antihelix

Question 35

At the superior portion of the lobe.

Answer 35

Origin of the Antihelix

Question 36

Where the upper portion bifurcates into two branches (crura).

Answer 36

Termination of the Antihelix

Question 37

The bifurcation of the antihelix.

Answer 37

Crura

Question 38

The upper branch of the antihelix.

Answer 38

Superior Branch of the Crura

Question 39

The measurement of the superior one third of the ear's lenth.

Answer 39

Anterior Branch of the Crura

Question 40

The shallow depression lying between the crura.

Answer 40

Triangular Fossa

Question 41

* Located in the anterior portion of the ear. * Extends relatively far behind the helix.

Answer 41

Location of the Triangular Fossa

Question 42

The fossa between the inner and outer rims of the ear. * Is relatively long.

Answer 42

Scapha

Question 43

The shallowest of the depressions.

Answer 43

Depth of the Scapha

Question 44

The concave shell of the ear. * Creates the middle third of the lenth of the ear.

Answer 44

Concha

Question 45

Graduated to the earpassage.

Answer 45

Depth of the Concha

Question 46

Behind and above the earpassage.

Answer 46

Location of the Concha

Question 47

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

Answer 47

Tragus

Question 48

* A wedge-like mass * The inferior end attaches to the lobe. * The front border is often indistinct. * May be marked by a vertical furrow.

Answer 48

Characteristics of the Tragus

Question 49

The small eminence on the upper margin of the lobe. * Slightly inferior and posterior to the tragus.

Answer 49

Antitragus

Question 50

The hollow between the tragus and antitragus.

Answer 50

Intertragic Notch

Question 51

Anteriorly on the upper border of the lobe.

Answer 51

Location of the Antitragus

Question 52

The fatty inferior segment of the ear. * The lower one third of the ear's length. * Mastoid process is the underlying structure.

Answer 52

Lobe