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The tonsils are a set of lymphoid organs facing into the aerodigestive tract, which is known as Waldeyer's tonsillar ring and consists of the adenoid tonsil (or pharyngeal tonsil), two tubal tonsils, two palatine tonsils, and the lingual tonsils. These organs play an important role in the immune system. When used unqualified, the term most ...
The lingual tonsils are a collection of lymphatic tissue located in the lamina propria of the root of the tongue. [1] This lymphatic tissue consists of the lymphatic nodules rich in cells of the immune system (immunocytes). [2] The immunocytes initiate the immune response when the lingual tonsils get in contact with invading microorganisms ...
The palatine tonsils with the soft palate, uvula, and tongue visible. Palatine tonsils, commonly called the tonsils and occasionally called the faucial tonsils, [2] are tonsils located on the left and right sides at the back of the throat, which can often be seen as flesh-colored, pinkish lumps. Tonsils only present as "white lumps" if they are ...
The Codex Mendoza is an Aztec codex, believed to have been created around the year 1541. [1] It contains a history of both the Aztec rulers and their conquests as well as a description of the daily life of pre-conquest Aztec society. The codex is written using traditional Aztec pictograms with a translation and explanation of the text provided ...
Tonsillitis is inflammation of the tonsils in the upper part of the throat. It can be acute or chronic. [8][9][2] Acute tonsillitis typically has a rapid onset. [10] Symptoms may include sore throat, fever, enlargement of the tonsils, trouble swallowing, and enlarged lymph nodes around the neck. [1][2] Complications include peritonsillar ...
Tonsillar crypts. Low-power microscope magnification of a cross-section through one of the tonsillar crypts (running diagonally) as it opens onto the surface of the throat (at the top). Stratified epithelium (e) covers the throat's surface and continues as a lining of the crypt. Beneath the surface are numerous nodules (f) of lymphoid tissue.
The language known today as Spanish is derived from spoken Latin, which was brought to the Iberian Peninsula by the Romans after their occupation of the peninsula that started in the late 3rd century BC. Today it is the world's 4th most widely spoken language, after English, Mandarin Chinese and Hindi. [1]
Spanish language. This article is about the phonology and phonetics of the Spanish language. Unless otherwise noted, statements refer to Castilian Spanish, the standard dialect used in Spain on radio and television. [1][2][3][4] For historical development of the sound system, see History of Spanish.