Month: September 2019

Difference between Diffusion and Osmosis.

Quora digest posed the question “What is the difference between Diffusion and Osmosis?” We reviewed Guyton’s Textbook of Medical Physiology.   He notes three modes for transport of ions and molecules through a cell membrane: diffusion, osmosis, and active transport.    We have previously looked at active transport.     The active transport models were  developed to explain movement ….  Read More