Cell Membranes Epithelial Barriers and Drug Absorption

INTRODUCTIONTHE PLASMA MEMBRANE The phospholipid bilayer Dynamic behaviour of membranes Modulation of membrane fluidity by sterols Models of cell membranes Membrane proteins Membrane asymmetry EPITHELIA

Cell junctions

Tight junctions Gap junctions Desmosomes TRANSPORT ACROSS CELL MEMBRANES Passive diffusion

The pH-partition hypothesis Facilitated and carrier mediated diffusion Cotransport

Uptake of macromolecules and particles INTERCELLULAR ROUTES OF ABSORPTION PERSORPTION MUCUS

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Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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