Laryngeal Structures
The superior-most cavity of the larynx; entrance to the larynx
What is the laryngeal vestibule?
Another name for the vocal folds
What are the vocal cords?
The only intrinsic laryngeal muscle that abducts the true vocal folds
What is the posterior cricoarytenoid muscle?
Another name for the infrahyoid muscles
What are the strap muscles?
The ring-shaped laryngeal cartilage resting on top of the trachea
What is the cricoid cartilage?
The space between the true vocal folds and false vocal folds
What is the laryngeal ventricle?
Chapter 2 Daily Double!
The largest (and most powerful) muscle of inspiration
What is the diaphragm muscle?
The intrinsic laryngeal muscle that tenses the true vocal folds and has two heads: the pars recta and pars oblique
What is the cricothyroid muscle?
A bone where the infrahyoid muscles and suprahyoid muscles attach
What is the hyoid bone?
Chapter 1 Daily Double!
Other terms for the directions anterior-posterior
What are ventral – dorsal (as applied to most of the body, except the cerebral hemispheres)?
The space between the true vocal folds
What is the glottis?
The number of layers in the true vocal folds
What is the number 5?
The muscle lateral to the thyrovocalis; it originates on the inner surface of the thyroid notch and courses posteriorly to insert into the muscular process of the arytenoid cartilage
What is the thyromuscularis muscle?
Chapter 2 Daily Double!!
The part of the central nervous system that controls tidal breathing
A leaf-shaped cartilage that protects the laryngeal vestibule (entrance to the larynx) during swallowing and from foreign objects
What is the epiglottis?
The space formed by the tongue anteriorly and the epiglottis posteriorly (hint: these are "little valleys")
What are the valleculae?
The name given to the structure that is composed of these two layers in the true vocal folds: the intermediate lamina propria and the deep lamina propria
What is the vocal ligament?
The muscle that attaches to the cricoid cartilage and the muscular process of the arytenoid cartilage and helps to adduct the vocal folds.
What is the lateral cricoarytenoid muscle?
This suprahyoid muscle elevates the larynx; its anterior belly moves the hyoid up and forward while its posterior belly moves the hyoid up and back
What is the digastric muscle?
Cartilages on the superior surface of the arytenoids
What are the corniculate cartilages?
Chapter 1 Daily Double!
The type of muscle mostly responsible for speaking and swallowing (of cardiac, skeletal, smooth, etc.)
What is skeletal muscle?
The muscle of the true vocal folds composed of the thyrovocalis and thyromuscularis
What is the thyroarytenoid muscle?
These muscles adduct (close) the true vocal folds
What are the lateral cricoarytenoid muscles, transverse arytenoid muscles, and oblique arytenoid muscles?
This fan-like muscle elevates the hyoid bone and larynx and forms the floor of the oral cavity
What is the mylohyoid muscle?