Osmoregulation in the euryhaline elasmobranch, Dasyatis sabina
1. 1. Changes in plasma solutes associated with variation in environmental salinity were examined in the euryhaline elasmobrach, Dasyatis sabina. 2. 2. Body weight increases and hematocrit decreases when stingrays are transferred to dilute sea water, but return to normal within 6 days suggesting tha...
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| Veröffentlicht in: | Comparative biochemistry and physiology. A, Comparative physiology Comparative physiology, 1973-05, Vol.45 (1), p.31-44 |
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| container_title | Comparative biochemistry and physiology. A, Comparative physiology |
| container_volume | 45 |
| creator | De Vlaming, Victor L. Sage, Martin |
| description | 1.
1. Changes in plasma solutes associated with variation in environmental salinity were examined in the euryhaline elasmobrach,
Dasyatis sabina.
2.
2. Body weight increases and hematocrit decreases when stingrays are transferred to dilute sea water, but return to normal within 6 days suggesting that body water balance and blood volume are regualted at a constant level.
3.
3. Stingrays consistently regulate plasma osmotic pressure above that of the external medium. Plasma osmolarity does, however, decrease in dilute sea water; osmotic pressure of the plasma is not directly proportional to the osmolarity of the external medium.
4.
4. Urea contributes 38–40 per cent and sodium 29–30 per cent to plasma osmotic pressure between 35 and 100% sea water.
5.
5. Plasma NaCl concentration in
Dasyatis are reduced to a greater extent by environmental dilution than are urea levels until the external medium osmolarity falls below 350 mOsmole/l. |
| doi_str_mv | 10.1016/0300-9629(73)90006-6 |
| format | Article |
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1. Changes in plasma solutes associated with variation in environmental salinity were examined in the euryhaline elasmobrach,
Dasyatis sabina.
2.
2. Body weight increases and hematocrit decreases when stingrays are transferred to dilute sea water, but return to normal within 6 days suggesting that body water balance and blood volume are regualted at a constant level.
3.
3. Stingrays consistently regulate plasma osmotic pressure above that of the external medium. Plasma osmolarity does, however, decrease in dilute sea water; osmotic pressure of the plasma is not directly proportional to the osmolarity of the external medium.
4.
4. Urea contributes 38–40 per cent and sodium 29–30 per cent to plasma osmotic pressure between 35 and 100% sea water.
5.
5. Plasma NaCl concentration in
Dasyatis are reduced to a greater extent by environmental dilution than are urea levels until the external medium osmolarity falls below 350 mOsmole/l.</description><identifier>ISSN: 0300-9629</identifier><identifier>DOI: 10.1016/0300-9629(73)90006-6</identifier><identifier>PMID: 4145709</identifier><language>eng</language><publisher>England: Elsevier B.V</publisher><subject>Animals ; Body Water ; Body Weight ; calcium ; Calcium - blood ; chloride ; Chlorides - blood ; Dasyatis sabina ; dilution ; Elasmobranch ; Environment ; environmental ; Fishes ; Hematocrit ; Muscles - analysis ; Osmolar Concentration ; osmoregulation ; Osmosis ; Osmotic Pressure ; Photometry ; potassium ; Potassium - blood ; Seawater ; sodium ; Sodium - blood ; Sodium Chloride - blood ; Time Factors ; urea ; Urea - blood ; Water - analysis ; water balance</subject><ispartof>Comparative biochemistry and physiology. A, Comparative physiology, 1973-05, Vol.45 (1), p.31-44</ispartof><rights>1973</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c423t-946235f3294c403ac6a288ea237ac96602bf32712ba7f2ac18092d1ac5c181de3</citedby><cites>FETCH-LOGICAL-c423t-946235f3294c403ac6a288ea237ac96602bf32712ba7f2ac18092d1ac5c181de3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/4145709$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>De Vlaming, Victor L.</creatorcontrib><creatorcontrib>Sage, Martin</creatorcontrib><title>Osmoregulation in the euryhaline elasmobranch, Dasyatis sabina</title><title>Comparative biochemistry and physiology. A, Comparative physiology</title><addtitle>Comp Biochem Physiol A Comp Physiol</addtitle><description>1.
1. Changes in plasma solutes associated with variation in environmental salinity were examined in the euryhaline elasmobrach,
Dasyatis sabina.
2.
2. Body weight increases and hematocrit decreases when stingrays are transferred to dilute sea water, but return to normal within 6 days suggesting that body water balance and blood volume are regualted at a constant level.
3.
3. Stingrays consistently regulate plasma osmotic pressure above that of the external medium. Plasma osmolarity does, however, decrease in dilute sea water; osmotic pressure of the plasma is not directly proportional to the osmolarity of the external medium.
4.
4. Urea contributes 38–40 per cent and sodium 29–30 per cent to plasma osmotic pressure between 35 and 100% sea water.
5.
5. Plasma NaCl concentration in
Dasyatis are reduced to a greater extent by environmental dilution than are urea levels until the external medium osmolarity falls below 350 mOsmole/l.</description><subject>Animals</subject><subject>Body Water</subject><subject>Body Weight</subject><subject>calcium</subject><subject>Calcium - blood</subject><subject>chloride</subject><subject>Chlorides - blood</subject><subject>Dasyatis sabina</subject><subject>dilution</subject><subject>Elasmobranch</subject><subject>Environment</subject><subject>environmental</subject><subject>Fishes</subject><subject>Hematocrit</subject><subject>Muscles - analysis</subject><subject>Osmolar Concentration</subject><subject>osmoregulation</subject><subject>Osmosis</subject><subject>Osmotic Pressure</subject><subject>Photometry</subject><subject>potassium</subject><subject>Potassium - blood</subject><subject>Seawater</subject><subject>sodium</subject><subject>Sodium - blood</subject><subject>Sodium Chloride - blood</subject><subject>Time Factors</subject><subject>urea</subject><subject>Urea - blood</subject><subject>Water - analysis</subject><subject>water balance</subject><issn>0300-9629</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1973</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1Lw0AQhveg1Fr9Bwo5iYLR_cqmeylI_YRCL3peJpuJXclH3U2E_nu3tvToaV7mfWeGeQi5YPSOUabuqaA01Yrr61zcaEqpStURGR_aJ-Q0hK_YZ4JlIzKSTGY51WMyW4am8_g51NC7rk1cm_QrTHDwmxXUro2yhhgpPLR2dZs8QtjEZEgCFK6FM3JcQR3wfF8n5OP56X3-mi6WL2_zh0VqJRd9qqXiIqsE19JKKsAq4NMpAhc5WK0U5UU0c8YLyCsOlk2p5iUDm0XJShQTcrXbu_bd94ChN40LFusaWuyGYKZMi4znMgblLmh9F4LHyqy9a8BvDKNmi8psmZgtE5ML84fKqDh2ud8_FA2Wh6E9p-jPdj7GJ38cehOsw9Zi6Tza3pSd-__ALz2_eU0</recordid><startdate>19730501</startdate><enddate>19730501</enddate><creator>De Vlaming, Victor L.</creator><creator>Sage, Martin</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19730501</creationdate><title>Osmoregulation in the euryhaline elasmobranch, Dasyatis sabina</title><author>De Vlaming, Victor L. ; Sage, Martin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c423t-946235f3294c403ac6a288ea237ac96602bf32712ba7f2ac18092d1ac5c181de3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1973</creationdate><topic>Animals</topic><topic>Body Water</topic><topic>Body Weight</topic><topic>calcium</topic><topic>Calcium - blood</topic><topic>chloride</topic><topic>Chlorides - blood</topic><topic>Dasyatis sabina</topic><topic>dilution</topic><topic>Elasmobranch</topic><topic>Environment</topic><topic>environmental</topic><topic>Fishes</topic><topic>Hematocrit</topic><topic>Muscles - analysis</topic><topic>Osmolar Concentration</topic><topic>osmoregulation</topic><topic>Osmosis</topic><topic>Osmotic Pressure</topic><topic>Photometry</topic><topic>potassium</topic><topic>Potassium - blood</topic><topic>Seawater</topic><topic>sodium</topic><topic>Sodium - blood</topic><topic>Sodium Chloride - blood</topic><topic>Time Factors</topic><topic>urea</topic><topic>Urea - blood</topic><topic>Water - analysis</topic><topic>water balance</topic><toplevel>online_resources</toplevel><creatorcontrib>De Vlaming, Victor L.</creatorcontrib><creatorcontrib>Sage, Martin</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Comparative biochemistry and physiology. A, Comparative physiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>De Vlaming, Victor L.</au><au>Sage, Martin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Osmoregulation in the euryhaline elasmobranch, Dasyatis sabina</atitle><jtitle>Comparative biochemistry and physiology. A, Comparative physiology</jtitle><addtitle>Comp Biochem Physiol A Comp Physiol</addtitle><date>1973-05-01</date><risdate>1973</risdate><volume>45</volume><issue>1</issue><spage>31</spage><epage>44</epage><pages>31-44</pages><issn>0300-9629</issn><abstract>1.
1. Changes in plasma solutes associated with variation in environmental salinity were examined in the euryhaline elasmobrach,
Dasyatis sabina.
2.
2. Body weight increases and hematocrit decreases when stingrays are transferred to dilute sea water, but return to normal within 6 days suggesting that body water balance and blood volume are regualted at a constant level.
3.
3. Stingrays consistently regulate plasma osmotic pressure above that of the external medium. Plasma osmolarity does, however, decrease in dilute sea water; osmotic pressure of the plasma is not directly proportional to the osmolarity of the external medium.
4.
4. Urea contributes 38–40 per cent and sodium 29–30 per cent to plasma osmotic pressure between 35 and 100% sea water.
5.
5. Plasma NaCl concentration in
Dasyatis are reduced to a greater extent by environmental dilution than are urea levels until the external medium osmolarity falls below 350 mOsmole/l.</abstract><cop>England</cop><pub>Elsevier B.V</pub><pmid>4145709</pmid><doi>10.1016/0300-9629(73)90006-6</doi><tpages>14</tpages></addata></record> |
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| ispartof | Comparative biochemistry and physiology. A, Comparative physiology, 1973-05, Vol.45 (1), p.31-44 |
| issn | 0300-9629 |
| language | eng |
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| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Animals Body Water Body Weight calcium Calcium - blood chloride Chlorides - blood Dasyatis sabina dilution Elasmobranch Environment environmental Fishes Hematocrit Muscles - analysis Osmolar Concentration osmoregulation Osmosis Osmotic Pressure Photometry potassium Potassium - blood Seawater sodium Sodium - blood Sodium Chloride - blood Time Factors urea Urea - blood Water - analysis water balance |
| title | Osmoregulation in the euryhaline elasmobranch, Dasyatis sabina |
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