Dilatator naris posterior muscle

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Dilatator naris posterior muscle
Muscles of the head, face, and neck.
Gray's	subject #107
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The Dilatator naris posterior is a muscle of human head. It is placed partly beneath the Quadratus labii superioris. It arises from the margin of the nasal notch of the maxilla, and from the lesser alar cartilages, and is inserted into the skin near the margin of the nostril.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

Muscles of the Head — Neck — Trunk — Upper limb — Lower limb— LIST OF ALL MUSCLES

scalp/eyelid: occipitofrontalis (occipitalis, frontalis) - orbicularis oculi - corrugator supercilii - depressor supercilii | (Gray's s105 - Gray's s106) nose: procerus - nasalis - depressor septi nasi - dilatator naris posterior - dilatator naris anterior - levator labii superioris alaeque nasi | (Gray's s107) mouth: levator labii superioris - levator anguli oris - zygomaticus (major, minor) - mentalis - depressor labii inferioris - depressor anguli oris - buccinator - orbicularis oris - risorius | (Gray's s108) mastication: masseter - temporalis - pterygoid (lateral, medial) | (Gray's s109) extraocular: levator palpebrae superioris - superior tarsal - rectus (superior, inferior, medial, lateral) - oblique (superior, inferior) | intraocular: ciliary - iris dilator - iris sphincter | (Gray's s227) hearing: auricularis anterior - stapedius - tensor tympani | (Gray's s228-Gray's s232) larynx: cricothyroid - posterior cricoarytenoid - lateral cricoarytenoid - arytenoid - thyroarytenoid | (Gray's s236) tongue: extrinsic (genioglossus - hyoglossus - chondroglossus - styloglossus) intrinsic (superior longitudinal - inferior longitudinal - transversus - verticalis) | (Gray's s242) palate: levator veli palatini - tensor veli palatini - musculus uvulae - palatoglossus - palatopharyngeus | (Gray's s243) pharynx: pharyngeal constrictor (inferior, middle, superior) - stylopharyngeus - salpingopharyngeus | (Gray's s244)