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Transverse muscle of tongue
Coronal section of tongue, showing intrinsic muscles.
Details
Origin	Median fibrous septum
Insertion	Sides of the tongue
Nerve	Hypoglossal nerve (CN XII)
Actions	Makes the tongue narrow and elongated
Identifiers
Latin	musculus transversus linguae
TA98	A05.1.04.108
TA2	2124
FMA	46695
Anatomical terms of muscle[edit on Wikidata]

The transverse muscle of tongue (transversus linguae) is an intrinsic muscle of the tongue. It consists of fibers which arise from the median fibrous septum. It passes laterally to insert into the submucous fibrous tissue at the sides of the tongue. It is innervated by the hypoglossal nerve (cranial nerve XII). Its contraction elongates and narrows the tongue.

Structure

The transverse muscle of the tongue is an intrinsic muscle of the tongue. It consists of fibers which arise from the median fibrous septum. It passes laterally to insert into the submucous fibrous tissue at the sides of the tongue.

Innervation

The transverse lingual muscle is innervated by the hypoglossal nerve (CN XII).

Function

Contraction of the transverse muscle of the tongue elongates and narrows the tongue.

References

This article incorporates text in the public domain from page 1130 of the 20th edition of Gray's Anatomy (1918)

1. ^ Aggarwal, Annu; Thompson, Philip D. (2011). "44 - Unusual focal dyskinesias". Handbook of Clinical Neurology. Vol. 100. Elsevier. pp. 617–628. doi:10.1016/B978-0-444-52014-2.00044-6. ISBN 978-0-444-52014-2. ISSN 0072-9752. PMID 21496611.
2. Love, Russell J.; Webb, Wanda G. (1992). "7 - The Cranial Nerves". Neurology for the Speech-Language Pathologist (2nd ed.). Butterworth-Heinemann. pp. 112–136. doi:10.1016/B978-0-7506-9076-8.50013-7. ISBN 978-0-7506-9076-8.
3. Dotiwala, Ary K.; Samra, Navdeep S. (2022), "Anatomy, Head and Neck, Tongue", StatPearls, Treasure Island (FL): StatPearls Publishing, PMID 29939559, retrieved 2023-01-13

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