Levator labii superioris

Levator labii superioris

Anatomy

Origin:
Infra-orbital margin of maxilla.

Insertion:
Skin of upper lateral half of upper lip.

Key Relations:
Fibres run inferomedially and merge with orbicularis oris.

Functions

Raises upper lip and forms the nasolabial furrow.

e.g. during sadness..

Supply

Nerve Supply:
Buccal branch of the facial nerve (CN 7).

Blood Supply:
Superior labial branch of the facial artery.

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