Tonsil

 

A tonsil is a mass of lymphoid tissue. There are three different types of tonsil as follows

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Palatine tonsil

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Pharyngeal tonsil or adenoid

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Lingual tonsil.

When simply put as tonsil, it refers to palatine tonsil which is placed between the palatopharyngeal arch that contains the palatopharyngeus and is called the posterior pillar of fauces and the palatoglossal arch, which contains the  palatoglossus and is referred to as anterior pillar of fauces. It is placed in the isthmus of fauces or the peritonsillar  bed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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              1 palatopharyngeal arch 2 palatine tonsil 3 palatoglossal arch 4 uvula 5 tongue

1 tongue 2 palatopharyngeal arch 3 palatine tonsil 4 palatoglossal arch

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