Tonsils are collections of lymphoid tissue facing into the aerodigestive tract. source
Tonsils are collections of lymphoid tissue facing into the aerodigestive tract.
The set of lymphatic tissue known as Waldeyer's tonsillar ring includes the adenoid tonsil. source
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. source
Two tubal tonsils, two palatine tonsils, and the lingual tonsil.
The term most commonly refers specifically to the palatine tonsils. source
The term most commonly refers specifically to the palatine tonsils.
The palatine tonsils are masses of lymphatic material situated at either side at the back of the human throat. source
The palatine tonsils are masses of lymphatic material situated at either side at the back of the human throat.
The palatine tonsils and the nasopharyngeal tonsil are lymphoepithelial tissues located near the oropharynx and nasopharynx (parts of the throat). source
The palatine tonsils and the nasopharyngeal tonsil are lymphoepithelial tissues located near the oropharynx and nasopharynx (parts of the throat).
Tonsils tend to reach their largest size near puberty, and they gradually undergo atrophy thereafter. source
Tonsils tend to reach their largest size near puberty, and they gradually undergo atrophy thereafter.
Tonsils are largest relative to the diameter of the throat in young children. source
Tonsils are largest relative to the diameter of the throat in young children.
Tonsils have on their surface specialized antigen capture cells called M cells that allow for the uptake of antigens produced by pathogens. source
Tonsils have on their surface specialized antigen capture cells called M cells that allow for the uptake of antigens produced by pathogens.
These M cells then alert the underlying B cells and T cells in the tonsil that a pathogen is present and an immune response is stimulated. source
These M cells then alert the underlying B cells and T cells in the tonsil that a pathogen is present and an immune response is stimulated.
B cells are activated and proliferate in areas called germinal centres in the tonsil. source
B cells are activated and proliferate in areas called germinal centres in the tonsil.
Recent studies have provided evidence that the tonsils produce T lymphocytes, also known as T-cells. source
Recent studies have provided evidence that the tonsils produce T lymphocytes, also known as T-cells.
A tonsillolith is material that accumulates on the tonsil. source
A tonsillolith is material that accumulates on the tonsil.
The tubal tonsil is one of the four main tonsil groups comprising Waldeyer's tonsillar ring, source
The tubal tonsil is one of the four main tonsil groups comprising Waldeyer's tonsillar ring,
The tubal tonsil includes the palatine tonsils, the lingual tonsils, and the pharyngeal tonsils. source
The tubal tonsil includes the palatine tonsils, the lingual tonsils, and the pharyngeal tonsils.
