Left infraorbital, labial and buccal regions

Nerves and muscles of upper lip

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Image #66-7
Bassett ImageDiagram Image
Legend Image
Left infraorbital, labial and buccal regions
Nerves and muscles of upper lip
A portion of the quadratus labii superioris muscle has been reflected superiorly (12).
1 . Angular head of levator labii superioris muscle
2 . Naris
3 . Ala nasi
4 . Septal branch of angular artery
5 . Filament of internal nasal branch of infraorbital nerve
6 . Artery of nasal septum (branch of superior labial artery)
7 . Orbicularis oris muscle
8 . Upper lip
9 . Superior labial branches infraorbital nerve
10 . Infraorbital head of levator labii superioris muscle
11 . Angular artery
12 . Part of levator labii superioris muscle which inserted into skin of upper lip (reflected superiorly)
13 . Depressor anguli oris muscle
14 . Zygomaticus muscle
15 . Superior labial artery and labial glands
16 . Angle of mouth