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The hyoglossus is a thin and quadrilateral extrinsic muscle of the tongue. It originates from the hyoid bone ; it inserts onto the side of the tongue. It is innervated by the hypoglossal nerve (cranial nerve XII) .
The tongue is an important accessory organ in the digestive system. The tongue is used for crushing food against the hard palate, during mastication and manipulation of food for softening prior to swallowing. The epithelium on the tongue's upper, or dorsal surface is keratinised. Consequently, the tongue can grind against the hard palate ...
The hyoglossal membrane is a strong fibrous lamina, which connects the under surface of the root of the tongue to the body of the hyoid bone. It is characterized by a posterior widening of the lingual septum. [1] This membrane receives, in front, some of the fibers of the Genioglossi. Inferior fibers are attached to hyoglossal membrane, and to ...
The hypoglossal nerve provides motor control of the extrinsic muscles of the tongue: genioglossus, hyoglossus, styloglossus, and the intrinsic muscles of the tongue. [2] These represent all muscles of the tongue except the palatoglossus muscle, which is innervated by the vagus nerve. [2] The hypoglossal nerve is of a general somatic efferent ...
It begins by numerous branches from the superficial surface of the gland, and runs forward between the mylohyoid, hyoglossus, and genioglossus muscles. It then passes between the sublingual gland and the genioglossus and opens by a narrow opening on the summit of a small papilla (the "sublingual caruncle") at the side of the frenulum of the tongue.
Image credits: goudadaysir The concept of selling human teeth online might initially come across as bizarre and a bit creepy. But it turns out there could sometimes be something more sinister at ...
The inferior longitudinal muscle of the tongue is an intrinsic muscle of the tongue. [1] It is thin and oval in cross-section. It is situated between the paramedian septum, and the lateral septum. [2] It extends from the root to the apex of the tongue. Posteriorly, some of its fibers attach onto the body of the hyoid bone.
It then inserts by blending with the intrinsic muscles of the tongue, between the hyoglossus and genioglossus. [1] The chondroglossus muscle is sometimes described as a part of the hyoglossus. [2] However, is separated from it by fibers of the genioglossus, which pass to the side of the pharynx. [1]