Signaling molecules released from the urothelium by mechanical stretch are known to play a sensory role in bladder contractions via neuronal signaling. It is also theorized that these molecules ...

Penile erection is a complex and regulated process that involves the dilation of penile blood vessels, the relaxation of smooth muscle, increased intracavernosal blood flow, and veno-occlusive ...

From the microscopic dance of actin and myosin to the full-body power you feel in a workout, muscle contraction is a precise, coordinated process. It starts with a nerve signal, triggers calcium ...