. Diseases of the nose and throat . Fig. 97.—The cartilaginous frame of the larynx, with the hyoid boneand ligamentous attachments (Broca). A, Hyoid bone. B, B, The greatercornua of the hyoid. G, G, The lesser cornua of the hyoid. D, , Thyroid cartilage. F, F, The superior cornua of the thyroid. G, Thelesser cornu of the thyroid. E, Cricoid cartilage. 1, Thyro-epiglottic liga-ment. 2, Hyo-epiglottic ligament. 3, Lateral thyrohyoid ligament. 4,Median cricothyroid ligament. 5, Lateral cricothyroid ligament. (AfterBosworth.) ANATOMY. 329 four-sided plates, united together in front, at
. Diseases of the nose and throat . Fig. 97.—The cartilaginous frame of the larynx, with the hyoid boneand ligamentous attachments (Broca). A, Hyoid bone. B, B, The greatercornua of the hyoid. G, G, The lesser cornua of the hyoid. D, , Thyroid cartilage. F, F, The superior cornua of the thyroid. G, Thelesser cornu of the thyroid. E, Cricoid cartilage. 1, Thyro-epiglottic liga-ment. 2, Hyo-epiglottic ligament. 3, Lateral thyrohyoid ligament. 4,Median cricothyroid ligament. 5, Lateral cricothyroid ligament. (AfterBosworth.) ANATOMY. 329 four-sided plates, united together in front, at an angle of about ninetydegrees (Fig. 100). They form the front and lateral walls of thelarynx, and, oAving to their stability, are a direct protection to the deli-cate structures contained within the organ. The union of the twoplates serves for the attachment of the cricothyroid membrane at the. Fig. 98.—The cricoid, seen anteriorly (Broca). 1, Anterior , Posterior portion. 3, Internal surface. 4, Superior circumference. 5, In-ferior border. (After Bosworth.) lower margin. At the upper margin of union there is a deep acuteangle, called the thyroid notch, into which is attached the petiolus ofthe epiglottis. Projecting perpendicularly from the posterior marginof each plate, one downward and the other upward, are two horns, or
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