Ear anatomical regions

Question 1

Ear Canal (Auditory Meatus)

Answer 1

Oval shaped opening to the middle & inner ear, separating the inferior concha from the subtragus

Question 2

Helix

Answer 2

Outermost circular ridge on the external ear

provides a folded cartilaginous rim on the auricle

Question 3

This refers to a spiral shaped structure

Answer 3

What is Helix

Question 4

This looks like a “?” symbol

Answer 4

What is helix

Question 5

This separates the inferior concha from the subtragus

Answer 5

what is the ear canal?

Question 6

Helix root

Answer 6

Ascends from the center of the ear up toward the face

Question 7

Superior Helix

Answer 7

Highest section of the Helix

Shaped like a broad arch

Question 8

Helix Tail

Answer 8

Descends vertically downward

along the most peripheral aspect of the ear

Question 9

Antihelix

Answer 9

“Y” shaped, spiral ridge opposite Helix

forms an inner concentric circular crest surrounding the concha of the external ear

Question 10

Superior Crus of the Antihelix

Answer 10

Upper arm and vertical extension of the Antihelix

Question 11

Inferfior Crus of the Antihelix

Answer 11

Lower arm and horizontal extension of the Antihelix

Question 12

This flat-edged ridge overhangs the Superior Concha below

Answer 12

Inferior Crus of the Antihelix

Question 13

Antihelix Body

Answer 13

Broad sloping ridge at the center third of the Antihelix

Question 14

Antihelix Tail

Answer 14

Narrow ridge at the Inferior third of the Antihelix

Question 15

Tragus

Answer 15

Refers to a flap

Question 16

Tragus- location

Answer 16

vertical, trapezoid shaped area that projects over the ear canal

Question 17

The Antitragus is….

Answer 17

is an L-shaped flap.

Question 18

This is opposite to the Tragus and inferior to the Antihelix Tail

Answer 18

What is the Antitragus

Question 19

This flap projects over the lower Inferior Concha and has a distinct curved groove separating it from the Antihelix and the less distinct crevice where it meets the Intertragic Notch

Answer 19

The Antitragus location

Question 20

The location of the Intertragic Notch is

Answer 20

The curved intersection of the Tragus and Antitragus

Question 21

This area is the curved intersection of the Tragus and the Antitragus

Answer 21

What is the Intertragic Notch

Question 22

Where is the Lobe located?

Answer 22

At the base of the external ear

Question 23

This is a “U”-shaped soft fleshy tissue region at the base of the external ear

Answer 23

What is the Lobe?

Question 24

Where is the Scaphoid Fossa?

Answer 24

Between the Helix and Antihelix - it is the crescent shaped groove.

Question 25

What does "Fossa" mean (Scaphoid Fossa)?

Answer 25

A fissure or crevice

Question 26

What does Scaphoid refer to (Scaphoid Fossa)?

Answer 26

The scaffolding used to form the outer structure of a boat or building during construction. "Scapha" thus refers to boat shaped

Question 27

Triangular Fossa is located...

Answer 27

Between the Superior Crus and the Inferior Crus of the Antihelix, it is the triangular groove and is shaped like a Gothic arch on its side

Question 28

This traiangular goove is between the Superior Crus and the Inferior Crus of the Antihelix

Answer 28

What is the Triangular Fossa

Question 29

This is shaped lie a Gothic arch on its side

Answer 29

What is the Triangular Fossa?

Question 30

What does Concha refer to?

Answer 30

The Conch sea shell

Question 31

This is a shell-shaped valley at the very center of the ear?

Answer 31

What is the Concha

Question 32

The Superior Concha is located

Answer 32

Below the Inferior Crus | It is the Upper Hemiconcha

Question 33

The Inferior Concha is located

Answer 33

Next to the Ear Canal | It is the Lower Hemiconcha

Question 34

The Concha Ridge divides...

Answer 34

the Superior Concha and Inferior Concha

Question 35

This is the extension of the Helix Root onto the Concha floor

Answer 35

What is the Concha Ridge?

Question 36

What is the Concha Wall?

Answer 36

The hidden, vertical region of the ear which rises up from the Concha floor.

Question 37

The Concha Wall description (long explanation)

Answer 37

The Wall of the Antitragus is the vertical Concha region underneath the Antitragus, overlying the lower Inferior Concha, whereas the Wall of the Antihelix is the curving, vertical surface which rises from the floor of the Concha up to the Antihelix ridge

Question 38

The subtragus definition is:

Answer 38

The underside of the Tragus, overlying the Ear Canal

Question 39

The hidden, underside portion of the brim of the Helix is

Answer 39

The Internal Helix

Question 40

This lies over the Ear Canal | It is the underside of the Tragus

Answer 40

What is the Subtragus

Question 41

What is the Internal Helix?

Answer 41

The hidden, underside portion of the brim of the Helix