Kinesiology 3222A/B Lecture Notes - Lecture 10: Vocal Folds, Voice Prosthesis, Epiglottis

• School: Western University
• Department: Kinesiology
• Course: Kinesiology 3222A/B
• Professor: Daniel Belliveau

Document Summary

Tube of connective tissue and smooth muscle. 2 open ends are attached by trachealis muscle. Left pic - cross section, posterior circle = esophagus. Left and right primary bronchus - separated by carina (t7 vertebrae) -> secondary and tertiary bronchi (8 in left, 10 in right) By this time air is warmed (37 degrees c), saturated, filtered. Cancer of the pharyngeal wall or larynx. Laryngeal cancer is a malignant cancer o. Usually due to prolonged exposure to tobacco and/or alcohol. Symptoms: hoarseness - early sign o o. With early intervention cure rate is near 80% Supraglottic cancer beings in upper portion of the larynx and includes cancer that affects epiglottis. Subglottic cancer beings in lower portion of larynx, below vocal cords. Required if large portion of larynx is involved in tumour mass. Entire larynx is removed - new manner of speaking must be learned. Trachea exposed to surface of neck to allow breathing (stoma)