from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or relating to the area under the tongue.
  • adj. Of or relating to the hypoglossal nerve.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. of or pertaining to the area under the tongue
  • n. Any of the nerves under the tongue.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Under the tongue; -- applied esp., in the higher vertebrates, to the twelfth or last pair of cranial nerves, which are distributed to the base of the tongue.

from The Century Dictionary and Cyclopedia

  • Situated under the tongue, wholly or in part: specifically applied to a pair of nerves
  • n. A hypoglossal nerve. Also hypoglossus.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. supplies intrinsic muscles of the tongue and other tongue muscles


hypo- + Greek glōssa, tongue.
(American Heritage® Dictionary of the English Language, Fourth Edition)
hypo- +‎ glossal (Wiktionary)


  • By the end of January, Minneapolis-based Inspire Medical Systems plans to begin enrolling 100 apnea patients in a key study in the U.S. and Europe to see if so-called hypoglossal nerve stimulation really could work.

    Experiments Test If Implant Can Block Sleep Apnea

  • Exogenous serotonin at the hypoglossal motor nucleus (HMN) stimulates genioglossus (GG) muscle activity.

    Vytorin: Dis-Enhance-d | The Blog of Michael R. Eades, M.D.

  • Ninth or hypoglossal nerve distributed to the muscles of the tongue.

    Surgical Anatomy

  • Above the point F, is seen the glosso-pharyngeal nerve; below F, is seen the hypoglossal nerve.

    Surgical Anatomy

  • The twelfth pair (_hypoglossal_ nerves; control muscles of the tongue; efferent) connect with the muscles of the tongue.

    Physiology and Hygiene for Secondary Schools

  • The twelfth pair, the hypoglossal, are also motor, pass to the muscles of the tongue, and help control the delicate movements in the act of speech.

    A Practical Physiology

  • The motor nerve of the tongue is the ninth pair, the hypoglossal.

    A Practical Physiology

  • From the first two nerves the branch joins the hypoglossal trunk, runs with it some distance, and sends off a branch to the Thyreohyoideus; it then leaves the hypoglossal to form the descendens hypoglossi and unites with the communicantes cervicalis from the second and third cervical nerves to form the ansa hypoglossi from which nerves pass to the other Infrahyoid muscles.

    IV. Myology. 5c. The Supra- and Infrahyoid Muscles

  • —The Mylohyoideus and anterior belly of the Digastricus are supplied by the mylohyoid branch of the inferior alveolar; the Stylohyoideus and posterior belly of the Digastricus, by the facial; the Geniohyoideus, by the hypoglossal.

    IV. Myology. 5c. The Supra- and Infrahyoid Muscles

  • The hypoglossal nerve has been displaced downward in this preparation.

    Illustrations. Fig. 559


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