Inferior longitudinal muscle

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Inferior longitudinal muscle
Coronal section of tongue, showing intrinsic muscles.
Latin Inferior lingualis, or Longitudinalis inferior
Gray's subject #242
Origin:
Insertion:
Blood:
Nerve: Hypoglossal nerve
Action:

The Longitudinalis linguæ inferior is a narrow band situated on the under surface of the tongue between the Genioglossus and Hyoglossus.

It extends from the root to the apex of the tongue: behind, some of its fibers are connected with the body of the hyoid bone; in front it blends with the fibers of the Styloglossus.

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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 As such, some of the information contained herein may be outdated.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 HeadNeckTrunkUpper limbLower limbLIST 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)

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