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Encyclopedia > Hypotonic
Effect of different solutions on blood cells

In biology, a hypotonic solution has the lower osmotic pressure of two fluids and also describes a cell environment with a lower concentration of solutes than the cytoplasm of the cell. Given a cell placed in a hypotonic environment, osmosis causes a net flow of water into the cell, causing swelling and expansion. This swelling can cause the cell to burst. Image File history File links Osmotic_pressure_on_blood_cells_diagram. ... Image File history File links Osmotic_pressure_on_blood_cells_diagram. ... This article does not cite any references or sources. ... Osmosis is the net movement of water across a partially permeable membrane from a region of high solvent potential to an area of low solvent potential, up a solute concentration gradient. ... Drawing of the structure of cork as it appeared under the microscope to Robert Hooke from Micrographia which is the origin of the word cell. Cells in culture, stained for keratin (red) and DNA (green). ... A substance is soluble in a fluid if it dissolves in the fluid. ... It has been suggested that Cytoplast be merged into this article or section. ... Osmosis is the net movement of water across a partially permeable membrane from a region of high solvent potential to an area of low solvent potential, up a solute concentration gradient. ... Impact from a water drop causes an upward rebound jet surrounded by circular capillary waves. ...


Solutions and cell environments are also described, in terms of osmotic pressure, as being either hypotonic, hypertonic or isotonic. This article does not cite any references or sources. ... This article or section does not adequately cite its references or sources. ...


Living in a Hypotonic Environment

Plant cell under different enviroments
Plant cell under different enviroments

Plants thrive in hypotonic environments. Their cells have rigid cell walls that prevents bursting, or lysis. The pressure of the cytoplasm against the cell wall keeps the plant from wilting and losing its shape. This pressure is called turgor pressure or osmotic pressure. On the other hand, cells without cell walls will swell and, if the environment is sufficiently hypotonic, burst (lyse) and die (referred to as cytolysis). Image File history File links Turgor_pressure_on_plant_cells_diagram. ... Image File history File links Turgor_pressure_on_plant_cells_diagram. ... Divisions Green algae Chlorophyta Charophyta Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta—liverworts Anthocerotophyta—hornworts Bryophyta—mosses Vascular plants (tracheophytes) †Rhyniophyta—rhyniophytes †Zosterophyllophyta—zosterophylls Lycopodiophyta—clubmosses †Trimerophytophyta—trimerophytes Pteridophyta—ferns and horsetails Seed plants (spermatophytes) †Pteridospermatophyta—seed ferns Pinophyta—conifers Cycadophyta—cycads Ginkgophyta—ginkgo Gnetophyta—gnetae Magnoliophyta—flowering plants... A cell wall is a fairly rigid layer surrounding a cell, located external to the cell membrane, that provides the cell with structural support, protection, and a filtering mechanism. ... It has been suggested that Cytoplast be merged into this article or section. ... This article or section does not cite its references or sources. ... A cell wall is a fairly rigid layer surrounding a cell, located external to the cell membrane, that provides the cell with structural support, protection, and a filtering mechanism. ... Cytolysis is the lysis, or death, of cells due to the rupture of the cell membrane. ...


Some protists (such as Paramecium) counteract this with the use of contractile vacuoles that pump water rapidly out of the cell. Other organisms actually eject solutes from the cell in order to lower the concentration gradient of the solute in the cell and hopefully create an isotonic environment. 바보 Typical phyla Chromista Heterokontophyta Haptophyta Cryptophyta (cryptomonads) Alveolata Dinoflagellata Apicomplexa Ciliophora (ciliates) Excavata Euglenozoa Percolozoa Metamonada Rhizaria Radiolaria Foraminifera Cercozoa Archaeplastida (in part) Rhodophyta (red algae) Glaucophyta (basal archaeplastids) Amoebozoa Choanozoa Many others; classification varies Protists (IPA: ) are a diverse group of organisms, comprising those eukaryotes that are not animals... This article does not cite its references or sources. ... Figure 1: A paramecium. ...


See also


  Results from FactBites:
 
British Journal of Pharmacology - Specific inhibition of stretch-induced increase in L-type calcium channel currents ... (0 words)
The present results suggest that cell swelling by hypotonic solution increases the L-type calcium channel currents in canine basilar artery and that herbimycin-sensitive PTK activity is primarily involved in the enhancement of calcium channel currents.
Hypotonic superfusion was employed, as it provides an alternative way to apply mechanical stress to a cell (Matsuda et al., 1996; Xu et al., 1996; 1997).
As to the effect of herbimycin A, a cytoplasmic non-receptor tyrosine kinase of 60,000 dalton, known as c-Src, is widely distributed in smooth muscle cells (Di Salvo et al., 1989) and is a common target of herbimycin A (Uehara et al., 1989; Uehara, 1997).
Hypotonic Duodenography | AHealthyMe.com (799 words)
Hypotonic duodenography is an x-ray procedure that produces images of the duodenum.
Hypotonic duodenography may be ordered to detect tumors of the head of the pancreas or the area where the pancreatic and bile ducts meet the small intestine.
Hypotonic duodenography is also referred to as x ray of the duodenum or simply as duodenography.
  More results at FactBites »


 

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