Comparative Histology and Histochemistry of the Parotid Gland and Mandibular Gland in the Lowland Tapir ( Perissodactyla) and Aardvark ( Tubulidentata).

In terrestrial mammals, the parotid and mandibular glands secrete different types of saliva into the oral cavity. Both glands were obtained from two female lowland tapirs () and one female aardvark () from the Wroclaw Zoological Garden (Poland) and examined by light microscopy (hematoxylin and eosin, mucicarmine, periodic acid-Schiff, Alcian blue pH 1.0, Alcian blue pH 2.