Medicine, anatomy, illustration of a section through the human head with mouth, nose and throat in black and white, frontal sinus, nasal septum with olfactory nerves, canal to the nasal cavity, incisors, tongue muscle, vocal cords, sphenoid sinus, choanae, hard and soft palate, oral cavity, uvula, pharyngeal cavity, epiglottis, hyoid bone, vertebral body, cricoid cartilage, oesophagus, historical illustration in black and white from Meyers encyclopedia 4. Edition 1889 and 1890, Germany, Europe