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the elevator muscle group which consists of the procerus muscle and the levator labii superioris alaeque nasi muscle. the depressor muscle group that includes the alar nasalis muscle and the depressor septi nasi muscle. the compressor muscle group which consists of the transverse nasalis muscle. the dilator muscle group that includes the dilator naris muscle that broadens the nostrils; it remains in 2 parts: (i) the dilator nasi anterior muscle, and (ii) the dilator nasi posterior muscle.

B. Visual appeal of the nose nasal subunits and nasal segments [edit] To plan, map, and execute the surgical correction of a nasal defect or deformity, the structure of the external nose is divided into nine aesthetic nasal subunits, and six aesthetic nasal sections, which supply the cosmetic surgeon with the measures for identifying the size, degree, and topographic locale of the nasal problem or defect.

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the dorsal nasal section the lateral nasal-wall sections the hemi-lobule sector the soft-tissue triangle segments the alar sectors the columellar segment Nose job: The Common carotid artery. Utilizing Check For Updates -ordinates of the subunits and sectors to figure out the topographic location of the defect on the nose, the plastic surgeon plans, maps, and performs a nose job procedure.

Hence, if more than half of a visual subunit is lost (harmed, defective, ruined) the cosmetic surgeon replaces the entire aesthetic section, generally with a local tissue graft, collected from either the face or the head, or with a tissue graft gathered from elsewhere on the client's body. C. Nasal blood supply arteries and veins [edit] Like the face, the human nose is well vascularized with arteries and veins, and thus supplied with plentiful blood.

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The external nose is supplied with blood by the facial artery, which becomes the angular artery that courses over the superomedial aspect of the nose. The sellar area (sella turcica, "Turkish chair") and the dorsal area of the nose are provided with blood by branches of the internal maxillary artery (infraorbital artery) and the ophthalmic arteries that obtain from the internal common carotid artery system.