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Depressor septi nasi muscle : ウィキペディア英語版 | Depressor septi nasi muscle
The depressor septi (Depressor alœ nasi) arises from the incisive fossa of the maxilla. Its fibers ascend to be inserted into the nasal septum and back part of the alar part of nasalis muscle. It lies between the mucous membrane and muscular structure of the lip. ==Action== The depressor septi is a direct antagonist of the other muscles of the nose, drawing the ala of the nose downward, and thereby constricting the aperture of the nares. Works like the alar part of the nasalis muscle.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Depressor septi nasi muscle」の詳細全文を読む
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