the.com/tonicity
Water doesn't care about fairness, it just follows the solute crowd.
means Tonicity is the relative concentration of solutes between two solutions that determines which way water will move across a membrane separating them.
from Built from 'tonic,' which traces back to Greek 'tonos' meaning tension or stretching — the same root behind 'tone' and 'tonal.' In physiology, 'tonicity' emerged in the 1800s as scientists studied how cells swell or shrink in different solutions, essentially measuring the 'tension' or pull water feels toward the saltier, busier side.
- the move
- water flows toward higher solute concentration, always
- isotonic
- equal solute, no net water movement
- hypertonic cells
- shrivel as water flees outward
- hospital stakes
- wrong IV fluid can burst or shrink blood cells