Dissection of nose

Superficial nerves and blood vessels; transverse nasal muscle, left anterolateral view

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Image #70-7
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Dissection of nose
Superficial nerves and blood vessels; transverse nasal muscle, left anterolateral view
The skin and subcutaneous connective tissue have been removed. The external nasal nerve is obscured by the transverse nasal muscle and a fascial plane which extends from this muscle toward the apex of the nose.
1 . Branches of supratrochlear nerve left
2 . Branch supratrochlear nerve right
3 . Procerus muscle and base of nose
4 . Angular head of levator labii superioris muscle
5 . Transverse part of nasalis muscle
6 . External nasal branch infraorbital nerve
7 . Nasal insertion of angular head of levator labii superioris muscle
8 . Orbital part orbicularis oculi muscle
9 . Palpebral part of orbicularis oculi muscle
10 . Branches of supratrochlear nerve
11 . Branches of infratrochlear nerve
12 . Skin of margin of eyelid
13 . Angular artery
14 . Nasal branch of angular artery
15 . Branches of infraorbital nerve
16 . Infraorbital head of levator labii superioris muscle