Labial commissure of mouth

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Labial commissure of mouth
Fourteen nylon sutures used to approximate the edges of this left cheek laceration, extending from the left commissure towards the left ear, allowing it to heal with considerably less scarring than it would without sutures.
Details
Identifiers
Latin	commissura labiorum oris
TA98	A05.1.01.012
TA2	224
FMA	77268
Anatomical terminology [edit on Wikidata]

The commissure is the corner of the mouth, where the vermillion border of the superior labium (upper lip) meets that of the inferior labium (lower lip).

The commissure is important in facial appearance, particularly during some functions, including smiling. As such it is of interest to dental surgeons.

Diseases that involve the commissure include angular chelitis.

v t e Anatomy of the mouth
Lip	Vermilion border Cupid's bow Frenulum of lower lip Labial commissure of mouth Philtrum White roll
Cheek	Buccal fat pad
Palate	Hard palate Soft palate Palatine raphe Incisive papilla
Gums	Interdental papilla Gingival sulcus Gingival margin Gingival fibers Junctional epithelium Mucogingival junction Sulcular epithelium Stippling Periodontium Cementum Philtrum Gingiva Periodontal ligament
Glands	Parotid gland duct Submandibular gland duct Sublingual gland duct Tubarial salivary gland
Teeth	see tooth anatomy
Tongue	Top Taste bud Median sulcus Terminal sulcus Foramen cecum Lingual tonsils Underside Frenulum Fimbriated fold Sublingual caruncle Glossoepiglottic folds Lingual septum
Back of mouth	Oropharynx fauces Plica semilunaris of the fauces Uvula Palatoglossal arch Palatopharyngeal arch Tonsillar fossa Palatine tonsil

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See also