tonicity
Solution concentration gradient
Tonicity refers to the state of tension or responsiveness in living tissue, particularly muscles.
In physiology, it describes the normal slight tension present in resting muscles that keeps them ready for action.
In chemistry and biology, tonicity characterizes a solution's ability to cause water movement across a cell membrane—a hypertonic solution draws water out of cells, while a hypotonic one causes water to flow in.
The tonicity of the saline solution must match the patient's blood.
Reduction in size
- spasticityPathological muscle tightness
- flaccidityLack of firmness
- hypertoniaPathological muscle tightness
- hypotoniaDecreased muscle tone condition
rigidity · stretch reflex · motor neuron · tonus · posture · neuromuscular · atonia · dystonia
Solvent crossing semipermeable barrier
- soluteSubstance absorbed by solvent
- concentrationSustained single-minded attention
- gradientRate of change across space
- semipermeableAllowing partial passage
diffusion · equilibrium · homeostasis · cell membrane · turgor · crenation · hemolysis · saline
Pressure, mental or vocal
- accentRegional speech pattern
- pitchFrequency of sound
- syllableUnit of pronunciation
- prominenceNotable status or visibility
prosody · emphasis · unstressed · atonic · contour · focus · rhythm · accentuation
contraction
Reduction in size
- spasticityPathological muscle tightness
- flaccidityLack of firmness
- hypertoniaPathological muscle tightness
hypotonia · rigidity · stretch reflex · motor neuron · tonus · posture · neuromuscular · atonia · dystonia · clonus
osmosis
Solvent crossing semipermeable barrier
- soluteSubstance absorbed by solvent
- concentrationSustained single-minded attention
- gradientRate of change across space
semipermeable · diffusion · equilibrium · homeostasis · cell membrane · turgor · crenation · hemolysis · saline · solution
stress
Pressure, mental or vocal
prominence · prosody · emphasis · unstressed · atonic · contour · focus · rhythm · accentuation · tonal
- cell membranescell membrane, plasma membrane, nuclear membrane, bilayer, phospholipid
- Osmoregulationosmoregulation, osmosis, osmotic pressure, water balance, electrolyte balance
- osmosisosmosis, osmotic pressure, semipermeable membrane, semipermeable, osmometer
- Chemical PropertiespH, acidity, alkalinity, solubility, reactivity
- solutionssolution, answer, fix, remedy, cure
tonicityatony
Lack of muscle firmness
atonia · flaccidity · hypotonia · laxity · flaccidness
tone, tonic, toned, monotone, tones, intonation, intone, toning, toneless