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"While the food is being chewed it is moistened by saliva, or spittle, which flows into the mouth from six little glands. They are known as salivary glands. There are three of them on each side." — Blaisedell, 1904

Salivary glands

"While the food is being chewed it is moistened by saliva, or spittle, which flows into the mouth from…

"<em>A</em>, simple tubular gland; <em>B</em>, gland with mouth shut and sac formed; <em>C</em> gland with a coiled tube; <em>D</em>, plan of part of a racemose gland." &mdash; Blaisedell, 1904

Secreting glands

"A, simple tubular gland; B, gland with mouth shut and sac formed; C gland…