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3 edition of Comparison of osmoregulation in two species of the genus Fundulus. found in the catalog.

Comparison of osmoregulation in two species of the genus Fundulus.

by Dale Frederick Burnside

  • 3 Want to read
  • 38 Currently reading

Published .
Written in English

    Subjects:
  • Osmoregulation.,
  • Atheriniformes

  • The Physical Object
    Paginationix, 114 leaves.
    Number of Pages114
    ID Numbers
    Open LibraryOL23420715M
    OCLC/WorldCa13842057

    Fish osmoregulation has always attracted considerable attention and in the last years several studies have increased our knowledge of this physiological process. In this book several specialists have analyzed and reviewed the new data published regarding fish osmoregulation. The chapters present an integrative synthesis of the different aspects Format: Hardcover. Osmoregulation in teleost fishes, whether they live in freshwater or sea, its physio­logical activity is very closely related to their survival, yet in-spite of the importance of osmoregulation surprisingly little is known about how fish deals with physiological problems inherent in living in hypo-osmotic and hyperosmotic environments.

      To maintain proper fluid balance and turgidity, plants osmoregulate by opening and closing stoma to control the transpiration of water. Plants transpire by drawing water in from the soil through root hairs by osmotic pressure. The water rises in t.   Osmoregulation is the process of maintaining an internal balance of salt and water in a fish’s body. A fish is, after all, a collection of fluids floating in a fluid environment, with only a thin skin to separate the two. There is always a difference between the salinity of a fish’s environment and the inside of its body, whether the fish.

    Endocrine Control of Osmoregulation in Teleost Fish1 STEPHEN D. MCCORMICK2 Conte Anadromous Fish Research Center, USGS, Biological Resources Division, Turners Falls, Massachusetts SYNOPSIS. As the primary link between environmental change and physiological response, the neuroendocrine system is a critical part of osmoregulatory adapta-tions. Osmoregulation. Osmoregulation is the active regulation of the osmotic pressure of an organism's fluids to maintain the homeostasis of the organism's water content; that is, it keeps the organism's fluids from becoming too diluted or too concentrated. Osmotic pressure is a measure of the tendency of water to move into one solution from another by osmosis.


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Comparison of osmoregulation in two species of the genus Fundulus by Dale Frederick Burnside Download PDF EPUB FB2

Comparison of osmoregulation in two species of the genus Fundulus [Dale Frederick Burnside] on *FREE* shipping on qualifying offers. This is a reproduction of a book published before This book may have occasional imperfections such as missing or blurred pages.

COMPARISON OF OSMOREGULATION IN TWO SPECIES OF THE GENUS Fundulus By DALE FREDERICK BURNSIDE A DISSERTATION PRESENTED TO THE GRADUATE COUNQL OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY UNIVERSITY OF FLORIDA.

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Osmoregulation. Osmoregulation is the process of maintaining salt and water balance (osmotic balance) across membranes within the body. The fluids inside and surrounding cells are composed of water, electrolytes, and nonelectrolytes.

An electrolyte is a compound that dissociates into ions when dissolved in : Charles Molnar, Jane Gair, Molnar, Charles, Gair, Jane. Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids, detected by osmoreceptors, to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in solution which in this case is represented by body fluid) to keep the body fluids from becoming too diluted or.

In two species of Fundulus, swimming performance (highest speed) was significantly better in SW (salinity 31‰–35‰) than in low salinity (15‰–16‰) for male F. heteroclitus and for. Osmoregulation is the active control of the cellular water balance and encompasses homeostatic mechanisms crucial for life.

The osmoregulatory system in the yeast Saccharomyces cerevisiae is particularly well understood. Key to yeast osmoregulation is the production and accumulation of the compatible solute glycerol, which is partly controlled. Osmoregulation by Vertebrates in Aquatic Environments 2 ENCYCLOPEDIA OF LIFE SCIENCES / & Macmillan Publishers Ltd, Nature Publishing Group / oruricacidviathekidney.)MarineteleostsincreasetheirFile Size: 98KB.

Studies on the euryhaline killifish, Fundulus heteroclitus, adapted to saltwater showed that acclimatization to 2° C or −° C increased serum osmolality of sodium and chloride when compared. There are two strategies used for osmoregulation—conforming and regulating. Osmoconformers use active or passive processes to match their internal osmolarity to that of the environment.

This is commonly seen in marine invertebrates, which have the same internal osmotic pressure inside their cells as the outside water, even though the chemical. The osmoregulatory capacity of two oligochaete species, Enchytraeus albidus Henle,and Heterochaeta costata (Claparède, ), was investigated by direct measurements of the osmolality of the coelomic fluid.

Terrestrial and marine (28‰ S) populations of Enchytraeus albidus and a brackish water population (14‰ S) of H. costata were used in the by: GIACOMO BERNARDI, in Molecular Systematics of Fishes, 2.

Fundulus. Fundulus has been divided into three subgenera by most authors, Fundulus, Xenisma, and Zygonectes; two other subgenera have also been proposed, Fontinus and Plancterus.

Figure 3 compares the author's molecular results with previous subgeneric assignments based on morphological. Figure Osmoregulation in marine and freshwater bony fishes: a comparison. Figure Osmoregulation in marine and freshwater bony fishes: a comparison. Figure Water balance in two terrestrial mammals.

Figure Countercurrent exchange in salt-excreting nasal glands. Figure Forms of nitrogenous waste. Osmoregulation, in biology, maintenance by an organism of an internal balance between water and dissolved materials regardless of environmental conditions.

In many marine organisms osmosis (the passage of solvent through a semipermeable membrane) occurs without any need for regulatory mechanisms because the cells have the same osmotic pressure as the sea.

Learn osmoregulation with free interactive flashcards. Choose from different sets of osmoregulation flashcards on Quizlet. Start studying Biology Osmoregulation.

Learn vocabulary, terms, and more with flashcards, games, and other study tools. Osmoregulation is the control of water content and the concentration of salts in the body of an animal. Don't use plagiarized sources. Get Your Custom Essay on Excretion and Osmoregulation Just from $13,9/Page.

Functional and population genomic divergence within and between two species of killifish adapted to different osmotic niches Article (PDF Available) in Evolution 68(1).

Fish Gills The ways in which ion pumping cells in fish gills work is dependent upon external conditions Diadromous: migrate between seawater and fresh water Catadromous: spend most of their lives in the sea and migrate to fresh water to breed (ex.

European eel - Anguilla angulla) Anadromous: spend most of their lives in fresh File Size: 1MB. In this book several specialists have analyzed and reviewed the new data published regarding fish osmoregulation. The chapters present an integrative synthesis of the different aspects of this field focusing on osmoregulation in specific environments or situations, function of osmoregulatory organs, general mechanisms and endocrine control.

Water is fundamental to life and all metabolic reactions are influenced by the aqueous environment in which they occur. Osmoregulation and water balance are therefore absolutely essential topics in animal physiology.

Animal Osmoregulation collates a widely dispersed literature to produce a comprehensive and authoritative synthesis of the field, providing detailed .Evolution & Homeostasis Comparison. The similarities in homeostatic control systems in microbes, plants, and animals support common ancestry. Click on the subpages to see this comparison in two areas: osmoregulation, or maintaining water levels, and thermoregulation, or maintaining steady internal temperatures.Abstract.

The osmoregulatory capacity of two oligochaete species, Enchytraeus albidus Henle,and Heterochaeta costata (Claparède, ), was investigated by direct measurements of the osmolality of the coelomic fluid.

Terrestrial and marine (28‰ S) populations of Enchytraeus albidus and a brackish water population (14‰ S) of H.

costata were used in the by: