A eukaryote is any cell or organism that possesses a clearly defined nucleus. Eukaryotic cells form the foundation of complex, multicellular life, including apple trees, mushrooms, fish and humans.

Mast cells can function as effector cells during innate 1,2,3 and adaptive 1,4,5,6 immune responses. Such 'effector' functions of mast cells include killing pathogens 2,3,7, degrading potentially ...

The immune system is continually surveilling the body—looking for pathogens, xenobiotics, and other non-self signals. The various cell types which constitute the immune system are, thus, incredibly ...