Endocytosis occurs when the cell membrane engulfs particles (dark blue) outside the cell, draws the contents in, and forms an intracellular vesicle called an endosome. This vesicle travels through ...

This thorough and clearly written textbook will be valuable for students of physiology, neuroscience, cell biology and biophysics. "...surely the best currently available text on excitable cells..." ...

This takes place when molecules diffuse across the cell membrane by travelling through specific transport proteins. It occurs down a concentration gradient - molecules move from an area of high to ...