Most of us only notice our tonsils when they're swollen or infected. But these masses of lymphatic tissue in the mouth and throat are important immune "gatekeepers" at the top of the airways and digestive tract, trapping pathogens and preventing disease before they can reach the rest of the body. Here are some facts you may not know about your tonsils .
Facts about tonsils you may not know
The term tonsils usually refers to the palatine tonsils, the tonsils that can be seen at the back of the throat. But tonsil tissue also includes the lingual tonsils (located at the base of the tongue), the tubular tonsils, and the adenoid tonsils (often just called the adenoids).
The tonsils are the primary barrier to inhaled or swallowed pathogens that can cause infection or other harm. These pathogens bind to specialized immune cells in the lining—the epithelium—to elicit an immune response in the tonsils' T and B lymphocytes. Essentially, they help kickstart your immune response.
If the adenoids swell, they can obstruct breathing and block sinus drainage, which can lead to sinus and ear infections. If the adenoids become too large, they can force a person to breathe through their mouth. In children, frequent mouth breathing can cause facial deformities by putting pressure on the growing facial bones.
Although the tonsils are part of the immune system, “when they become congested or chronically infected, they need to be removed.” The rest of the immune system steps in to deal with subsequent attacks from pathogens. Another reason for tonsillectomy beyond size is “chronic tonsillitis, where the immune system fails to clear the remaining bacteria from the tonsils, despite multiple courses of antibiotics.”
Tonsillectomy is believed to have been a phenomenon for three millennia. The procedure is found in ancient Ayurvedic texts, making it one of the oldest documented surgical procedures. However, although scientific understanding of the surgery has changed significantly since then, the benefits versus harms of tonsillectomy remain unanswered and a subject of ongoing debate.
As early physicians struggled to perfect effective tonsillectomy techniques, one of them, Aetius de Amida, recommended the use of "ointments, oils, and caustic formulas incorporating frog fat to treat infections."
Today, thanks to advances in technology, tonsillectomy has become easier. Under short general anesthesia, doctors use a procedure called coblation, "a type of cryotherapy, which results in virtually no bleeding, less post-operative pain, and faster healing. You can return to normal activities after 10 days.
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