Abstract The submandibular gland (SMG) and the sublingual gland (SLG) are two of the three major salivary glands in mammals. In mice. they are adjacent to each other and open into the oral cavity. producing saliva to lubricate the mouth and aid in food digestion. https://www.spidertattooz.com/Civil-Air-Patrol-Patch-National-Emergency-Services-Academy/