muscles of facial expression - nasal + oral (TBC)

Question 1

what is the nasal group of facial muscles associated with?

Answer 1

movements of the nose, and the skin around it

Question 2

how many muscles are there in the nasal group?

Answer 2

3 muscles

Question 3

which nerve innervates the nasal group?

Answer 3

facial nerve

Question 4

what are the 3 muscles of the nasal group?

Answer 4

nasalis
procerus
depressor septi nasi

Question 5

which muscle is the largest of the nasal muscles?

Answer 5

nasalis

Question 6

which muscle is the most superior of the nasal muscles?

Answer 6

procerus

Question 7

what happens to the nasalis anatomically?

Answer 7

it splits into 2 parts: transverse and alar

Question 8

what is the origin of the nasalis?

Answer 8

both portions originate from maxilla

Question 9

what is the attachment of the nasalis?

Answer 9

transverse: aponeurosis across dorsum of nose
alar: alar cartilage of the nasal skeleton

Question 10

what is the action of the nasalis?

Answer 10

2 parts have opposing functions

transverse: compress nares
alar: open nares

Question 11

innervation of nasalis?

Answer 11

facial