The pharyngeal tonsils are located near the opening of the nasal cavity into the pharynx. When these tonsils become enlarged they may interfere with breathing and are called adenoids.
The palatine tonsils are the ones that are located near the opening of the oral cavity into the pharynx.
Lingual tonsils are located on the posterior surface of the tongue, which also places them near the opening of the oral cavity into the pharynx.
Lymphocytes and macrophages in the tonsils provide protection against harmful substances and pathogens that may enter the body through the nose or mouth.
See also tonsillitus.
Related categories• ANATOMY AND PHYSIOLOGY
Home • About • Copyright © The Worlds of David Darling • Encyclopedia of Alternative Energy • Contact