The Nose

Question 1

External Nose

Small muscles innervated by

Answer 1

Facial nerve CN VII

Question 2

External Nose

Structure

Answer 2

External nose structure composed of bone and cartilage

Question 3

External Nasal Blood and Nerves

Arteries

Nerves

Answer 3

Anertior and posterior ethmoidal (opthalmic). Sphenopalatine and greater palatine (maxillary). Septal branch - superior labial and lateral nasal (facial)

Nerve: CN V1 (infratrochlear and external nasal branch of anterior ethmoidal)

Alae: nasal branches of infraorbital (CN V2)

Question 4

Lateral Section through Nose

Answer 4

Question 5

Medial Section through Nose

Answer 5

Question 6

Nasal Features

Answer 6

Question 7

Chonchae

Answer 7

Concahe are for warming, filtering and turbulence of air

A space is called a Meatus

Question 8

Paranasal Sinuses

Answer 8

Question 9

Paranasal sinuses

Answer 9

Question 10

Lateral Nasal Wall

Answer 10

Question 11

Sinuses

Answer 11

Post ethmoidal air cells form the bulge of the ethmoidal bulla

Question 12

Lateral Nasal Nerves

Answer 12

Question 13

Medial Nasal Wall

Answer 13

Question 14

Medial Nasal Nerves

Answer 14

Question 15

Nasal Venous Drainage

Answer 15

Question 16

Internal Bony Nasal Structures

Answer 16

Question 17

Olfactory Nerve

Answer 17