. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. 104 NORMAL ANATOMY OF THE LARYNX. articulation. The thyroid cartilage is united to the os hyoides by three ligaments: the mid- dle and two lateral. 1st. The ligamentum thyro-hyoideum medium is a lax yellow tissue arising from the superior margin of the thyroid, and inserted into the inner margin of the os hyoides : it is thicker and denser at its middle part; its lateral borders are involved with the surrounding cellular membrane. The anterior surface in its middle is situated immediately under the integuments, having it
. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. 104 NORMAL ANATOMY OF THE LARYNX. articulation. The thyroid cartilage is united to the os hyoides by three ligaments: the mid- dle and two lateral. 1st. The ligamentum thyro-hyoideum medium is a lax yellow tissue arising from the superior margin of the thyroid, and inserted into the inner margin of the os hyoides : it is thicker and denser at its middle part; its lateral borders are involved with the surrounding cellular membrane. The anterior surface in its middle is situated immediately under the integuments, having its sides co- vered by the thyro-hyoidei muscles, (g, fig. 25) and its posterior surface corresponding with the form of the epiglottis. 2d. The ligamenta hyo-thyroidea lateralia are small round liga- ments on each side of the larynx, connecting the tubercles of the great horns of the os hy- oides with the extremities of the superior cor- nua of the thyroid cartilage (c c. Jig. 24). In the substance of these ligaments there are often found small osseous or cartilaginous bodies. The articulations of the thyroid cartilage Fig. A mesial section of the larynx, from Lauth. The mucous membrane and muscles are removed to expose the elastic ligaments. a, the epiglottis; b, the hyo-epiglotticligaments; c c, the lateral thyro-hyoid ligaments ; e, a portion of the glosso-epiglottic ligament ; f, the crico-thy- roid ligament; g i, the junction of the crico-thy- roid, and lateral crico-thyroid ligament; ri, the attachment of the lateral crico-thyroid ligaments to the base of the arytenoid cartilage ; n, the elas- tic ligament lining the bottom of the ventricles ; o, the superior inner margin of the cricoid cartilage ; the lateral ligamentous connection with the inferior vocal cord ; /, the superior vocal cord ; the right arytenoid cartilage. with the os hyoides are furnished with syno- vial membranes. The ligaments of the epiglottis.—The epi- glottis gives attachment to three ligaments
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