Thyroid nodules are growths in the thyroid gland, a small organ in your neck located in front of your windpipe (trachea). The thyroid gland produces thyroid hormone, which regulates many of your ...

Salivary Glands and Saliva The three pairs of major (submandibular, parotid and sublingual) and minor salivary glands secrete saliva in the mouth. Saliva presents diverse functions, including ...