👉 The term "submandibular" refers to a region of the jaw where muscles and other structures meet and interact with the mouth. This area is located between the two lower teeth and extends down into the neck, including the submandibular gland. Submandibular glands are small glands that produce hormones such as cortisol and aldosterone, which play important roles in regulating the body's metabolism and immune response. The submandibular gland also helps to regulate saliva production, which plays a