Depressor anguli oris muscle
Encyclopedia
The Depressor anguli oris (Triangularis) arises from the oblique
line of the mandible, whence its fibres converge, to be inserted, by a narrow fasciculus, into the angle of the mouth
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; some of its fibers are directly continuous with those of the Caninus, and others are occasionally found crossing from the muscle of one side to that of the other; these latter fibers constitute the Transversus menti.
Oblique
Oblique may refer to:*Oblique angle, in geometry, an angle that is not a multiple of 90 degrees*Oblique angle, synonym for Dutch angle, a cinematographic technique*Oblique , by jazz vibraphonist Bobby Hutcherson...
line of the mandible, whence its fibres converge, to be inserted, by a narrow fasciculus, into the angle of the mouth
Mouth
The mouth is the first portion of the alimentary canal that receives food andsaliva. The oral mucosa is the mucous membrane epithelium lining the inside of the mouth....
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Anatomy
At its origin it is continuous with the Platysma, and at its insertion with the Orbicularis oris and RisoriusRisorius
The risorius is a muscle of facial expression which arises in the fascia over the parotid gland and, passing horizontally forward, superficial to the platysma, inserts onto the skin at the angle of the mouth...
; some of its fibers are directly continuous with those of the Caninus, and others are occasionally found crossing from the muscle of one side to that of the other; these latter fibers constitute the Transversus menti.