the lymphatic tissues at the back of the mouth are called
Tonsil Tonsils are collections of lymphoid tissue[1] facing into the aerodigestive tract. The set of lymphatic tissue known as Waldeyer's tonsillar ring includes the adenoid tonsil, two tubal tonsils, two palatine tonsils, and the lingual tonsil.
Pharynx The pharynx (plural: pharynges) is the part of the throat that is behind the mouth and nasal cavity and above the esophagus and the larynx, or the tubes going down to the stomach and the lungs. The pharynx is an area found in vertebrates and invertebrates, though the structure is not universally the same across all of those species.