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HN272 (I) SUBDIVISIONS OF THE LARYNX; EPITHELIA; SENSORY NERVES
HN272

ANATOMICAL ARY-EPIGLOTTIC
FOLD
INLET PIO FOOM SURGICAL
FOSSA

VESTIBULE

SUPRA-GLOTTIC
LARYNX
(SENSORY NERVE
MIDDLE SUPPLY: INTERNAL
LARYNX BRANCH OF SUPERIOR
SINUS SINUS LARYNGEAL NERVE-
Cr.N.X, the VAGUS.
GLOTTIS TOUCH, PAIN,
TEMPERATURE)
INFERIOR
LARYNX SUB-GLOTTIC LATRYNX
VOCAL FOLDS
(SENSORY NERVE SUPPLY:
RECURRENT LARYNGEALN. -
K.E.W. CONX, the VAGUS, TOUCH
TRACHEA PAIN, TEMP.)
TRACHEA (CIN. X)

NOTICE. (1) The Laryngeal INLET is bounded by The ARY-EPIGLOTTIC FOLDS on each side,
The EPIGLOTTIS in front ( ) and The ARYTENOID CARTILAGES (connected by
interarytenoid muscle-SHEET 174) behind. (2) The VOCAL FOLDS and The LATERAL
SURFACES OF THE ARY-EPIGLOTTIC FOLDS are, like the HYPOPHARYNX
(. ) covered with wear & tear STRATIFIED SQUAMOUS, NON KERATINIZING
EPITHELIUM, The remaing VALLECULA larynx hos RESPIRATORY EPITHELIUM.
TONGUE
GLOSSO-
EPIGLOTTIC
FOLD
(II) SUPERIOR VIEW OF THE LARYNX IN THE LIVING IN
GLOSSO
PHARYNGEAL EPIGLOTTIS THE LIVING
FOLD. INLET. (1) The LARYNGEAL INLET is dearly
shown by continuous_ and
HYOID hatched lives---- (Description above).

THYRO- (2) The anterior surface of The EPIGLOTTIS is
HYOID connected to the PHARYNGEAL
MEMBRANE TONGUE by folds of mucous membrane,
SUPERIOR ARY EPIGLOTTIC FOLD creating two hollows, the VALLECULIE
BORDER OF VOCAL FOLD VOCAL FOLD (singular, VALLÉCULA) in which food
THYROID way be trapped.
LAMINA.
LEFT RIGHT (3) tmidst the pink, the pallor of the VOCAL
PIRIFORM PIRIFORM FOLDS makes Ther easily identifiable.
FOSSA GLOTTIS FOSSA
LEFT RIGHT
ARYTENOID AIRYTIENOID
CARTILAGE CARTILAGE