. Anatomy of the woodchuck (Marmota monax). Woodchuck; Mammals. Chapter 6—Respiratory System 103. Fig. 6-4. Laryngeal cartilages and trachea, ventral view. 1 apex of epiglottis, 2 rostral horn of thyroid cartilage, 3 lam- ina of thyroid cartilage, 4 caudal horn of thyroid cartilage, 5 tracheal cartilage, 6 arch of the cricoid cartilage. ular, dorsal, lateral and medial faces, and articulate with the rostrodorsal border of the cricoid cartilage. They have corniculate, muscular and vocal pro- cesses. The muscular process, processus muscularis, projects laterally from the lateral face and serves
. Anatomy of the woodchuck (Marmota monax). Woodchuck; Mammals. Chapter 6—Respiratory System 103. Fig. 6-4. Laryngeal cartilages and trachea, ventral view. 1 apex of epiglottis, 2 rostral horn of thyroid cartilage, 3 lam- ina of thyroid cartilage, 4 caudal horn of thyroid cartilage, 5 tracheal cartilage, 6 arch of the cricoid cartilage. ular, dorsal, lateral and medial faces, and articulate with the rostrodorsal border of the cricoid cartilage. They have corniculate, muscular and vocal pro- cesses. The muscular process, processus muscularis, projects laterally from the lateral face and serves for the attachment of the cricoarytenoid and thyroar- ytenoid muscles. The vocal process, processus vo- calis, projects ventrally from the base and serves for the attachment of the vocal muscle and vocal liga- ment. The corniculate process, processus cornicula- tus, projects rostrodorsally from the dorsal face. It is attached to the epiglottis by the aryepiglottic fold. The articular face lies dorsomedially and bears an articular facet for articulation with the cricoid car- tilage. The thyroid cartilage, cartilago thyroidea, is the largest of the laryngeal cartilages. It forms the mid- dle portion of the larynx and is open dorsally. The thyroid cartilage consists of two laminae, lamina dextra et sinistra, which are united ventrally to form a deep trough. Each lamina is expanded dorsally to form rostral and caudal horns, cornu rostrale and cornu caudate, respectively. Rostral and caudal thy- roid notches, incisura rostrale and incisura caudale, separate the respective processes from the lamina. The rostral cornu articulates with the thyrohyoid bone. The cricoid cartilage, cartilago cricoidea, consists of an arch and a lamina to form a complete Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bezuidenh
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