The Anatomy of the Intrinsic Musculature of the Tongue in the Early Human Fetus: Part I, M. Longitudinalis Superior

Ysaye M. Barnwell; Kathleen Klueber; H. L. Langdon

doi:10.52010/ijom.1978.4.3.1

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International Journal of Orofacial Myology and Myofunctional Therapy is published by MDPI from Volume 51 Issue 1 (2025). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with International Association of Orofacial Myology (IAOM).

Article

1 July 1978

The Anatomy of the Intrinsic Musculature of the Tongue in the Early Human Fetus: Part I, M. Longitudinalis Superior

and

Department of Orthodontics, Howard University, Washington, DC, USA

Cleft Palate Center and Department of Anatomy, University of Pittsburgh, Pittsburgh, PA, USA

Int. J. Orofac. Myol. Myofunct. Ther.1978, 4(3), 5-8;https://doi.org/10.52010/ijom.1978.4.3.1

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Abstract

M. longitudinalis superior of the tongue was examined histologically in early (15-week) fetal specimens (N = 28). Its points of attachment and relationships are described and compared with corresponding features in the adult. This study, in particular, clarifies the relationship of the two longitudinal muscles (superior and inferior) in the tip of the tongue as well as the demarcation between the superior longitudinal and hypglossal muscles in the root of the tongue.

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