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Tonicity

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Definition of the noun Tonicity

What does Tonicity mean as a name of something?

noun - plural: tonicities

  1. the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli

Alternative definition of the noun Tonicity

noun

  1. [medicine] The normal presence of tone or tension in a muscle or organ; tonus
  2. [science] The ability of a solution to exert an osmotic pressure upon a membrane

Explanation

Tonicity is a measure of the effective osmotic pressure gradient of two solutions separated by a semipermeable membrane. In other words, tonicity is the relative concentration of solutions that determine the direction and extent of diffusion. It is commonly used when describing the response of cells immersed in an external solution. Unlike osmotic pressure, tonicity is influenced only by solutes that cannot cross the membrane, as only these exert an effective osmotic pressure. Solutes able to freely cross the membrane do not affect tonicity because they will always be in equal concentrations on both sides of the membrane.

  • also known as Osmolaritate efectivă, Δραστική oσµωτικότητα, Δραστική ωσµωτικότητα, 有効浸透圧, 高张

Printed books with definitions for Tonicity

Click on a title to look inside that book (if available):

Google previewBack to Basics in Physiology (2013)

Fluids in the Renal and Cardiovascular Systems by Juan Pablo Arroyo, Adam J. Schweickert

Tonicity is the concentration of effective solutes. It is “effective osmolality.

Google previewThe Renal System Explained (2009)

An Illustrated Core Text by Sunita R Deshmukh, Newton W Wong

Tonicity is the effect of a solution on cell volume: • Isotonic solutions do not change the volume of a cell • Hypotonic solutions cause cells to swell • Hypertonic solutions...

Tonicity refers to the effect of the extracellular solution on cell volume 2.

Google previewGerioperative Nursing Care (2011)

Principles and Practices of Surgical Care for the Older Adult by Dr. Raelene V. Shippee-Rice, PhD, RN, Dr. Susan Fetzer, PhD, RN, MBA, Jennifer V. Long, CRNA, CRNP, MS, Alexandra Armitage, MS, CNL, APRN

Simply stated, osmolarity refers to the amount of solute in a solution, whereas tonicity refers to osmotic effect of the solution in relation to another solution across a semipermeable membrane. Tonicity, therefore, is dependent on the ability of the ...

Google previewAnatomy and Physiology (2016)

by CTI Reviews

Tonicity is a measure of the osmotic pressure (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells immersed in an ...

Google previewWildlife Search and Rescue (2011)

A Guide for First Responders by Rebecca Dmytryk

Tonicity refers to the amount of dissolved substances (electrolytes, sugars, others ) in a fluid. Hypotonic fluids have fewer dissolved substances than a typical animal's tissues, hypertonic fluids have more. Isotonic fluids have concentrations ...

Google previewe-Study Guide for: Human Body in Health and Disease by Gary A. Thibodeau, ISBN 9780323031622 (2012)

by Cram101 Textbook Reviews

Tonicity is a measure of the osmotic pressure (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells immersed in an ...

Google previewMader's Understanding Human Anatomy and Physiology (2016)

by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure gradient (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells ...

Google previewNeurological Rehabilitation (2016)

by CTI Reviews

Tonicity is a measure of the osmotic pressure gradient (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells immersed in ...

Google previewAnatomy and Physiology, From Science to Life (2016)

by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells immersed in ...

Google previewThe Human Body in Health and Disease (2016)

by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure (as defined by the water ...

Google previewPathophysiology, The Biologic Basis for Disease in Adults and Children (2016)

Medicine, Internal medicine by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure gradient (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells ...

Google previewThe Complete Recovery Room Book (2014)

by Anthea Hatfield

Tonicity is a measurement that compares the osmotic ...

Google previewPharmacology, Connections to Nursing Practice (2016)

Pharmaceutical sciences, Pharmaceutical sciences by CTI Reviews

Tonicity: Tonicity is a measure of the ...

Google previewNutrition and Diet Therapy (2016)

by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure (as defined by the water potential of the two solutions) oftwo solution separatedby a semipermeable membrane. Itis commonlyused when describing the response of cells immersed in an ...

Google previewMedical-Surgical Nursing (2014)

Concepts & Practice by Susan C. deWit, Candice K. Kumagai

Tonicity refers to the amount of solutes in relation to the amount of fluid. • Filtration occurs through a semipermeable membrane. • Hydrostatic pressure causes filtration of fluid out of the intravascular system into the interstitial spaces. • Water ...

Google previewEssentials of Pathophysiology, Concepts of Altered Health States (2016)

Medicine, Internal medicine by CTI Reviews

Tonicity: Tonicity is a measure oftheosmotic pressure gradient (as defined by the waterpotential of the two solutions) of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells ...

Google previewBiology, The Unity and Diversity of Life (2016)

by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure gradient (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. It is commonlyused when describing the response of cells ...

Google previewFundamentals of Anatomy and Physiology (2016)

by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure gradient (as defined by the water potential of the twosolutions) of two solutions separated bya semipermeable membrane.It is commonly used when describing the response ofcells ...

Google previewFundamentals of Applied Pathophysiology, An Essential Guide for Nursing and Healthcare Students (2016)

Medicine, Internal medicine by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure gradient (as defined bythe waterpotential of the twosolutions) of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells ...

Google previewAnatomy and Physiology, The Unity of Form and Function (2016)

by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells immersed in ...

Google previewBiology, Today and Tomorrow Without Physiology (2016)

Biology, Biology by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure gradient (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells ...

Google previewHuman Biology (2016)

by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure gradient (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. It is commonly usedwhen describing the response of cells ...

Google previewBiology Today and Tomorrow with Physiology (2016)

by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure gradient of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells immersed in an external solution. Like osmotic pressure ...

Google previewBiology , The Dynamic Science, Volume 1, Units 1 and 2 (2016)

by CTI Reviews

Tonicity: Tonicity is a measure of the osmotic pressure gradient (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells ...

Online dictionaries and encyclopedias with entries for Tonicity

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Video about Tonicity

Tonicity Meaning

Video shows what tonicity means. The normal presence of tone or tension in a muscle or organ, tonus. The ability of a solution to exert an osmotic pressure upon ...

Quotes about Tonicity

Couldn't select: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'tonicity"" IN BOOLEAN MODE) LIMIT 1,1' at line 1

Scrabble value of T1O1N1I1C3I1T1Y4

The value of this 8-letter word is 13 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

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