Muscles of facial expression: the Nose

Question 1

Nasalis OINA

Answer 1

O: Transverse part: Maxilla, just lateral to nose
Alar: Maxilla over lateral incisor

I: Transverse part: Aponeurosis on nose
Alar part: Alar cartilage of nose

N: Facial nerve

A: Draws cartilage downward and laterally opens nostril

Question 2

Procerus: OINA

Answer 2

O: Nasal bone
I: between eyebrows
N: Facial nerve
A: Draws medial angle of eyebrows down making lateral wrinkles of bridge of nose

Question 3

Depressor Septi

Answer 3

O: maxilla above medial incisor
I: mobile part of nasal septum
N: Facial nerve
A: Pulls nose inferiorly

Question 4

Levator Labii superioris alaeque nasi

Answer 4

O: Front of maxilla
I: Alar cartilage of nose and upper lip
N: Facial nerve
A: raises upper lip and opens nostril