This is a fluorescence microscopy image of a human tonsil section ... and in close proximity with B cells and germinal centers (in blue), areas where fully differentiated Tfh cells interact ...

Sanz's team focused on lymph structures in the tonsils known as germinal centers, where teeming masses of immune cells known as B cells and T cells glom together and swap crucial information about ...

B cell activation by T follicular helper cells takes place in what are called germinal centers, which are located in lymphatic tissues such as the lymph nodes, the spleen—and the tonsils.

Top left: normal germinal center in a mouse tonsil. All others: Germinal centers fail to form when the interaction between ICOS and TBK1 is interrupted.

Tonsil stones, also known as tonsilloliths, are calcified masses that can form on your palatine tonsils. There are three types of tonsils: palatine – on the sides of your throat pharyngeal ...