Blood pressures and heart rates in swimming hagfish
1. 1. Ventral and dorsal aortic pressures and heart rates were measured in the New Zealand hagfish Eptatretus cirrhatus at rest, during forced exercise and on recovery from swimming. 2. 4. Blood pressures were higher than those reported for the Atlantic hagfish, Myxine glutinosa, but were considerab...
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| Veröffentlicht in: | Comparative biochemistry and physiology. A, Comparative physiology Comparative physiology, 1988, Vol.89 (2), p.247-250 |
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| container_title | Comparative biochemistry and physiology. A, Comparative physiology |
| container_volume | 89 |
| creator | Forster, M.E. Davie, P.S. Davison, W. Satcheli, G.H. Wells, R.M.G. |
| description | 1.
1. Ventral and dorsal aortic pressures and heart rates were measured in the New Zealand hagfish
Eptatretus cirrhatus at rest, during forced exercise and on recovery from swimming.
2.
4. Blood pressures were higher than those reported for the Atlantic hagfish,
Myxine glutinosa, but were considerably lower than equivalent pressures found in teleost and elasmobranch fish.
3.
3. The ventricular pressure pulse was always transmitted to the dorsal aorta and our evidence contradicts the view that branchial resistance is high in myxinoids.
4.
4. Heart rates and ventral aortic pressures were higher after 10 min swimming, but the changes were not marked.
5.
5. The tachycardia was continued into recovery.
6.
6. The absence of bradycardia when the fish was disturbed (startle reflex) and the smooth increases and falls in heart rates and pressures suggest that neural regulation of the heart is not important in swimming and that venous return may be the major factor determining cardiac function. |
| doi_str_mv | 10.1016/0300-9629(88)91087-0 |
| format | Article |
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1. Ventral and dorsal aortic pressures and heart rates were measured in the New Zealand hagfish
Eptatretus cirrhatus at rest, during forced exercise and on recovery from swimming.
2.
4. Blood pressures were higher than those reported for the Atlantic hagfish,
Myxine glutinosa, but were considerably lower than equivalent pressures found in teleost and elasmobranch fish.
3.
3. The ventricular pressure pulse was always transmitted to the dorsal aorta and our evidence contradicts the view that branchial resistance is high in myxinoids.
4.
4. Heart rates and ventral aortic pressures were higher after 10 min swimming, but the changes were not marked.
5.
5. The tachycardia was continued into recovery.
6.
6. The absence of bradycardia when the fish was disturbed (startle reflex) and the smooth increases and falls in heart rates and pressures suggest that neural regulation of the heart is not important in swimming and that venous return may be the major factor determining cardiac function.</description><identifier>ISSN: 0300-9629</identifier><identifier>DOI: 10.1016/0300-9629(88)91087-0</identifier><identifier>CODEN: CBPAB5</identifier><language>eng</language><publisher>New York, NY: Elsevier B.V</publisher><subject>Biological and medical sciences ; Eptatretus cirrhatus ; Fundamental and applied biological sciences. Psychology ; Marine ; Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports</subject><ispartof>Comparative biochemistry and physiology. A, Comparative physiology, 1988, Vol.89 (2), p.247-250</ispartof><rights>1988</rights><rights>1988 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c364t-de5e2bb9c783a9f918e84bf4f1867f7ecfe3806128471abafc4326409d85a1f63</citedby><cites>FETCH-LOGICAL-c364t-de5e2bb9c783a9f918e84bf4f1867f7ecfe3806128471abafc4326409d85a1f63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=7624806$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Forster, M.E.</creatorcontrib><creatorcontrib>Davie, P.S.</creatorcontrib><creatorcontrib>Davison, W.</creatorcontrib><creatorcontrib>Satcheli, G.H.</creatorcontrib><creatorcontrib>Wells, R.M.G.</creatorcontrib><title>Blood pressures and heart rates in swimming hagfish</title><title>Comparative biochemistry and physiology. A, Comparative physiology</title><description>1.
1. Ventral and dorsal aortic pressures and heart rates were measured in the New Zealand hagfish
Eptatretus cirrhatus at rest, during forced exercise and on recovery from swimming.
2.
4. Blood pressures were higher than those reported for the Atlantic hagfish,
Myxine glutinosa, but were considerably lower than equivalent pressures found in teleost and elasmobranch fish.
3.
3. The ventricular pressure pulse was always transmitted to the dorsal aorta and our evidence contradicts the view that branchial resistance is high in myxinoids.
4.
4. Heart rates and ventral aortic pressures were higher after 10 min swimming, but the changes were not marked.
5.
5. The tachycardia was continued into recovery.
6.
6. The absence of bradycardia when the fish was disturbed (startle reflex) and the smooth increases and falls in heart rates and pressures suggest that neural regulation of the heart is not important in swimming and that venous return may be the major factor determining cardiac function.</description><subject>Biological and medical sciences</subject><subject>Eptatretus cirrhatus</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Marine</subject><subject>Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports</subject><issn>0300-9629</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1988</creationdate><recordtype>article</recordtype><recordid>eNp9ULtOAzEQdAESIfAHFFcgBMWBffb57AYJIl5SJBqoLZ9vnRjdI3gvIP4eh0QpaXa1o5ndnSHkjNFrRpm8oZzSXMtCXyp1pRlVVU4PyGQPH5FjxA9KKeOsnBB-3w5Dk60iIK5TyWzfZEuwccyiHdMc-gy_Q9eFfpEt7cIHXJ6QQ29bhNNdn5L3x4e32XM-f316md3Nc8elGPMGSijqWrtKcau9ZgqUqL3wTMnKV-A8cEUlK5SomK2td4IXUlDdqNIyL_mUXGz3ruLwuQYcTRfQQdvaHoY1GlaKpC1ZIoot0cUBMYI3qxg6G38Mo2aTitnYNxv7Rinzl0qCpuR8t9-is62PtncB99pKFiL9l2i3Wxokr18BokEXoHfQhAhuNM0Q_r_zC2evdxc</recordid><startdate>1988</startdate><enddate>1988</enddate><creator>Forster, M.E.</creator><creator>Davie, P.S.</creator><creator>Davison, W.</creator><creator>Satcheli, G.H.</creator><creator>Wells, R.M.G.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope></search><sort><creationdate>1988</creationdate><title>Blood pressures and heart rates in swimming hagfish</title><author>Forster, M.E. ; Davie, P.S. ; Davison, W. ; Satcheli, G.H. ; Wells, R.M.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-de5e2bb9c783a9f918e84bf4f1867f7ecfe3806128471abafc4326409d85a1f63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1988</creationdate><topic>Biological and medical sciences</topic><topic>Eptatretus cirrhatus</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Marine</topic><topic>Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Forster, M.E.</creatorcontrib><creatorcontrib>Davie, P.S.</creatorcontrib><creatorcontrib>Davison, W.</creatorcontrib><creatorcontrib>Satcheli, G.H.</creatorcontrib><creatorcontrib>Wells, R.M.G.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Comparative biochemistry and physiology. A, Comparative physiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Forster, M.E.</au><au>Davie, P.S.</au><au>Davison, W.</au><au>Satcheli, G.H.</au><au>Wells, R.M.G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Blood pressures and heart rates in swimming hagfish</atitle><jtitle>Comparative biochemistry and physiology. A, Comparative physiology</jtitle><date>1988</date><risdate>1988</risdate><volume>89</volume><issue>2</issue><spage>247</spage><epage>250</epage><pages>247-250</pages><issn>0300-9629</issn><coden>CBPAB5</coden><abstract>1.
1. Ventral and dorsal aortic pressures and heart rates were measured in the New Zealand hagfish
Eptatretus cirrhatus at rest, during forced exercise and on recovery from swimming.
2.
4. Blood pressures were higher than those reported for the Atlantic hagfish,
Myxine glutinosa, but were considerably lower than equivalent pressures found in teleost and elasmobranch fish.
3.
3. The ventricular pressure pulse was always transmitted to the dorsal aorta and our evidence contradicts the view that branchial resistance is high in myxinoids.
4.
4. Heart rates and ventral aortic pressures were higher after 10 min swimming, but the changes were not marked.
5.
5. The tachycardia was continued into recovery.
6.
6. The absence of bradycardia when the fish was disturbed (startle reflex) and the smooth increases and falls in heart rates and pressures suggest that neural regulation of the heart is not important in swimming and that venous return may be the major factor determining cardiac function.</abstract><cop>New York, NY</cop><pub>Elsevier B.V</pub><doi>10.1016/0300-9629(88)91087-0</doi><tpages>4</tpages></addata></record> |
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| ispartof | Comparative biochemistry and physiology. A, Comparative physiology, 1988, Vol.89 (2), p.247-250 |
| issn | 0300-9629 |
| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | Biological and medical sciences Eptatretus cirrhatus Fundamental and applied biological sciences. Psychology Marine Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports |
| title | Blood pressures and heart rates in swimming hagfish |
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