EPIGLOTTIS
- Epiglottis
- shape
- leaf shaped
- upper end
- broad and free
- projects upwards behind the hyoid bone and tongue
- lower end or thyroepiglottic ligament
- pointed
- attached to the upper part of angle between
- two lamina of thyroid cartilage
- margins
- right and left margins
- provide attachment to aryepiglottic folds
- surfaces
- anterior surface
- connected to tongue
- by median glossoepiglottic fold
- connected to hyoid bone
- by hyoepiglottic ligament
- posterior surface
- covered by mucous membrane
- presents a tubercle in lower part
- between
- thyroid cartilage and margins of epiglottis
- thyroepiglottic muscle
- keeps inlet of larynx patent for breathing
- aryepiglottic muscle
- closes inlet during swallowing
- situation
- anterior wall of upper part of larynx