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In veterinary anatomy, the term hyoid apparatus is the collective term used to refer to the bones of the tongue—a pair of stylohyoidea, a pair of thyrohyoidea, and unpaired basihyoideum [21] —and associated, upper-gular connective tissues. [22] In humans, the single hyoid bone is an equivalent of the hyoid apparatus. [23]
Its anterior surface is in relation with the thyrohyoid muscle, sternohyoid muscle, and omohyoid muscles, and with the body of the hyoid bone. It is pierced by the superior laryngeal nerve . [ 2 ] It is also pierced the superior thyroid artery , where there is a thickening of the membrane.
The hyoid apparatus is the collective term used in veterinary anatomy for the bones which suspend the tongue and larynx. [1] It consists of pairs of stylohyoid, thyrohyoid, epihyoid and ceratohyoid bones, and a single basihyoid bone. [2] The hyoid apparatus resembles the shape of a trapeze, [3] or a bent letter "H". [4]
Anatomy figure: 34:02-09 at Human Anatomy Online, SUNY Downstate Medical Center "Anatomy diagram: 25420.000-1". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2013-12-31. Diagram Archived 2005-09-09 at the Wayback Machine
It attaches at the lesser horn of hyoid bone [1] [2] inferiorly, [citation needed] and (the apex of [1]) the styloid process of the temporal bone [1] [2] superiorly. [ citation needed ] The ligament gives attachment to the superior-most fibres of the middle pharyngeal constrictor muscle .
The mylohyoid muscle elevates the hyoid bone and the tongue. This is particularly important during swallowing and speaking. Alternatively, if other muscles are used to keep the position of the hyoid bone fixed, then the mylohyoid muscle depresses the mandible. [1] It also functions as reinforcing the floor of mouth. [1]
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 submental lymph nodes (or suprahyoid lymph nodes [citation needed]) are 2-3 lymph nodes [1] situated in the submental triangle, [1] between the anterior bellies of the digastric muscle and the hyoid bone. [2]