When a cell receives a message from outside, it generates a molecule called cyclic AMP (cAMP) to relay this message. To ...
When two cells "talk" to each other, they often do so through tiny channels called electrical synapses. Unlike chemical ...
Cells use various signaling molecules to regulate the nervous, immune, and vascular systems. Among these, nitric oxide (NO) and ammonia (NH₃) play important roles, but their chemical instability and ...