Internal System Collection
Human speech organs, wood engraving, published in 1880
The Organs of Speech: A) mouth, B) uvula, C) tongue, D) tonsils, E) epiglottis, F) thyroid cartilage, G) arytenoid muscle, H+I) vestibular folds, K) vocal fold, L) larynx, M) hypopharynx, N) trachea
The human ear, wood engraving, published in 1880
Anatomy of the human ear: A) auricle, B) External Auditory Canal, C) Tympanic Membrane, D) Tympanic Cavity, E) Malleus, M) Incus, H) Cochlea, G) Semicircular Canals, I) Eustachian Tube
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