Head 
Figure 2-62: Isolated glands of head. From left to right are parotid gland, sub- 
mandibular gland, sublingual gland, and zygomatic gland. Note excavation at cra- 
nial pole of mandibular gland from which sublingual gland was removed. 
Figure 2-63: Histology of mandibular and sublingual glands. Both glands consist 
of mucous and serous parts and can be distinguished by their different colors; 
lighter one in upper half of plate is sublingual gland; while darker staining subman- 
dibular gland is located in lower half. (H & E, X37). 
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