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Depressor septi nasi

Other Terms: Depressor septi, Musculus depressor septi nasi, Muscle abaisseur du septum nasal

Muscle parts

None

Latin name

Musculus depressor septi nasi

Latin muscle parts

None

Group

Branchial arch muscle – second arch (Facial muscle)

Etymology

The English for this muscle name is the muscle that presses the partition of the nose down. Depressor comes from the Latin de meaning “down” and premere meaning “to press.” The term septum describes a partition and arises from the Latin sepio meaning “to fence and sepes meaning “a hedge.” The term nasi comes from the Latin nassus meaning “nose.”

Origin

Maxilla above the central incisor

Insertion

Cartilaginous nasal septum

Action

Works in concert with the alar part of the nasalis to widen the nasal openings.

Nerve supply

Facial nerve (Cranial nerve VII)

Blood supply

Lateral nasal and septal branches of the facial artery

Latin

Musculus depressor septi nasi

French

Muscle abaisseur du septum nasal

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