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  2. Mylohyoid muscle - Wikipedia

    en.wikipedia.org/wiki/Mylohyoid_muscle

    The mylohyoid muscle may be united to or replaced by the anterior belly of the digastric muscle; accessory slips to other hyoid muscles are frequent. This median raphe is sometimes absent; the fibers of the two muscles are then continuous. [citation needed] Variations in the mylohyoid muscle itself are not common. [6]

  3. Geniohyoid muscle - Wikipedia

    en.wikipedia.org/wiki/Geniohyoid_muscle

    The geniohyoid muscle is innervated by fibres from the first cervical spinal nerve travelling alongside the hypoglossal nerve. [2] [4] [5] Although the first three cervical nerves give rise to the ansa cervicalis, the geniohyoid muscle is said to be innervated by the first cervical nerve, as some of its efferent fibers do not contribute to ansa cervicalis.

  4. Hyoglossus - Wikipedia

    en.wikipedia.org/wiki/Hyoglossus

    The fibers arising from the body of the hyoid bone overlap those from the greater cornu. ... in between the hyoglossus muscle and the mylohyoid muscle, ...

  5. Mental spine - Wikipedia

    en.wikipedia.org/wiki/Mental_spine

    The inferior mental spines are the points of origin of the geniohyoid muscle, [2] one of the suprahyoid muscles, and the superior mental spines are the origin of the genioglossus muscle, one of the muscles of the tongue. Mental spines are important landmarks in clinical practice.

  6. Sublingual space - Wikipedia

    en.wikipedia.org/wiki/Sublingual_space

    the mylohyoid muscle inferiorly; the medial surface of the mandible anterolaterally; the muscles along the base of the tongue (geniohyoid and genioglossus muscles) posteriorly; medially, the intrinsic muscles of the tongue and genioglossus separate the two halves of the sublingual space.

  7. Muscles of mastication - Wikipedia

    en.wikipedia.org/wiki/Muscles_of_mastication

    The four classical muscles of mastication elevate the mandible (closing the jaw) and move it forward/backward and laterally, facilitating biting and chewing. Other muscles are responsible for opening the jaw, namely the geniohyoid , mylohyoid , and digastric muscles (the lateral pterygoid may play a role).

  8. Scientists Finally Solved the Mystery of How the Mayan ...

    www.aol.com/lifestyle/scientists-finally-solved...

    The Mayan calendar’s 819-day cycle has confounded scholars for decades, but new research shows how it matches up to planetary cycles over a 45-year span

  9. Genioglossus - Wikipedia

    en.wikipedia.org/wiki/Genioglossus

    It is a fan-shaped muscle that comprises the bulk of the body of the tongue. It arises from the mental spine of the mandible; it inserts onto the hyoid bone, and the bottom of the tongue. It is innervated by the hypoglossal nerve (cranial nerve XII). The genioglossus is the major muscle responsible for protruding (or sticking out) the tongue.

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