FIG. 59. --Showing pharynx and related structures. 1, Cricoid cartilage (cartilage
cricoidea); 2, thyroid cartilage (cartilago thyreoidea); 3, "Adam's apple" (prominentia
laryngea); 4, vocal cord (plica vocalis); 5, ventricle (ventriculus laryngis); 6, section of
hyoid bone (corpus ossis hyoidei); 7, mylo-hyoid muscle (m. mylohyoideus); 8, genio-
hyoid muscle (m. geniohyoideus); 9, genio-glossus muscle (m. genioglossus); 10, nasal
septum (septum nasi); 11, mouth cavity; 12, nasal pharynx (pars nasalis pharyngis);
13, anterior arch of atlas; 14, soft palate (palatum molle); 15, body of axis (corpus epistro-
phie); 16, tonsil (tonsilla palatina); 17, epiglottis; 18, laryngeal pharynx (pars laryngea
pharyngis); 19, vestibule (vestibulum laryngis); 20, Œsophagus; 21, cricoid cartilage
(cartilago cricoidea).