Vertical section of a circumvallate papilla of the calf. Labels: 1 and 3, epithelial layers covering it; 2, taste goblets; 4 and 4', duct of serous gland opening out into the pit in which papilla is situated; 5 and 6, nerves ramifying within the papilla.

Papilla of a Calf

Vertical section of a circumvallate papilla of the calf. Labels: 1 and 3, epithelial layers covering…

Taste goblet from dog's epiglottis (laryngeal surface near the base) , precisely similar in structure to those found in the tongue. Labels: a, depression in epithelium over goblet; below the letter are seen the fine hair-like processes in which the cells terminate; c, two nuclei of the axial (gustatory) cells. The more superficial nuclei belong to the superficial (encasing) cells; the converging lines indicate the fusiform shape of the encasing cells.

Taste Goblet from Dog's Epiglottis

Taste goblet from dog's epiglottis (laryngeal surface near the base) , precisely similar in structure…