Corpus: Tubal tonsil
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Synonym: tubular tonsil
English:
Definition[Bearbeiten]
The Tonsilla tubaria or tubal tonsil is a tonsil (almond) in the pharynx of domestic mammals. It is part of the Waldeyer pharyngeal ring.
Anatomy[Bearbeiten]
The tonsilla tubaria is localised on the inside of the ostium pharyngeum tubae auditivae (entrance to the auditory tube). It shows species-specific differences in its development:
- Dog and cat: carnivores lack a tonsilla tubaria.
- Pigs: The tonsilla tubaria in pigs is formed as a bed tonsil with bellows, which is located very extensively in the ostium pharyngeum tubae auditivae.
- Ruminants: In cattle and also in small ruminants, a bed tonsil without bellows is formed at this site. Due to the accumulation of lymphoreticular tissue, the mucosal area on the inner surface of the tubal opening is significantly thickened.
- Horse: In horses, the tubal mucosa contains irregularly distributed lymphoreticular tissue.
Literature[Bearbeiten]
- Nickel, Richard, August Schummer, Eugen Seiferle. Volume II: Organ systems. Textbook of the anatomy of domestic animals. Parey, 2004.