Animal Osmoregulation by Tim Bradley

By Tim Bradley

Water is key to existence and all metabolic reactions are motivated by way of the aqueous atmosphere during which they happen. Osmoregulation and water stability are accordingly totally crucial subject matters in animal body structure. Animal Osmoregulation collates a largely dispersed literature to supply a finished and authoritative synthesis of the sector, supplying designated examples of osmoregulatory approaches on the organismal, organ and mobile point. It comprises transparent heritage info on ion law and delivery (specifically within the gentle of modern molecular experiences) and illustrates the actual rules to which every organism needs to adhere, in addition to the phylogenetic constraints in which it needs to function. As with different titles within the Oxford Animal Biology Series, the subject is addressed utilizing examples from through the animal nation, deciding upon universal issues that go beyond taxonomy.

Show description

Read or Download Animal Osmoregulation PDF

Best developmental biology books

The Black Swan: The Impact of the Highly Improbable: With a new section: ''On Robustness and Fragility''

A black swan is an occasion, optimistic or unfavorable, that's deemed unbelievable but factors significant effects. during this groundbreaking and prophetic publication, Taleb indicates in a playful means that Black Swan occasions clarify virtually every thing approximately our global, and but we—especially the experts—are ignorant of them. during this moment version, Taleb has additional a brand new essay, On Robustness and Fragility, which bargains instruments to navigate and take advantage of a Black Swan global.

Landmarks in Developmental Biology 1883–1924: Historical Essays from Roux’s Archives

Developmental biology took form among 1880 and the 1920`s simple suggestions just like the developmental position of chromosomes and the germ plasm (today`s genome), self differentiation, embryonic legislation and induction, gradients and organizers hail from that interval; certainly, the self-discipline was once outlined as a complete via the programmatic writings of Wilhelm Roux as early as 1889.

Low-Temperature Microscopy and Analysis

The frozen-hydrated specimen is the crucial aspect that unifies the topic of low­ temperature microscopy, and frozen-hydrated specimens are what this e-book is all approximately. Freezing the pattern as fast as attainable after which additional getting ready the specimen for microscopy or microanalysis, no matter if nonetheless embedded in ice or now not: there appear to be as many adaptations in this subject as there are artistic scientists with difficulties of constitution and composition to enquire.

Scallops Biology, Ecology, Aquaculture, and Fisheries

Scallops: Biology, Ecology, Aquaculture and Fisheries, 3rd variation, maintains its heritage because the definitive source on scallops, overlaying all elements of scallop biology, together with anatomy, taxonomy, body structure, ecology, larval biology, and neurobiology. greater than thirty vast chapters discover either fisheries and aquaculture for all species of scallops in all international locations the place they're fished or cultured.

Additional resources for Animal Osmoregulation

Example text

In this equation, J is the rate of water movement, often referred to as flux. Let us describe the flux in units we can all understand: ml/min. J is, therefore, the rate of water movement across the barrier in ml/min. , cm2). Clearly, if you have a driving force for moving water across the membrane, the larger the surface area the more water gets moved. 1 tells you that the rate of flux is directly proportional to area. 1 is the concentration of solutes in compartment 1 and C2 is the concentration of solutes in compartment 2.

4 atm. The pressure that 1 Osm gradient can generate is more than nine times greater than the pressure in your automobile tires! Small wonder then, that osmotic forces can rupture cell membranes that are 100,000 times thinner than a millimeter! Fortunately animals, whether they be insects, fish, worms, or humans, have many defenses that prevent them from developing these enormous pressure forces. The following chapters in this book will provide insights into these processes and their diversity among animals.

As described in Chapter 1, there are now much easier and faster ways of measuring the 32 Animal Osmoregulation osmotic concentration of solutions. Nonetheless, it is important to be aware that hydraulic pressure can also drive water through a membrane. The important points at this time are (1) that water can be moved through a membrane either by an osmotic gradient or by a hydraulic pressure gradient, and (2) that these forces can be additive (or subtractive) depending on the circumstances. In animal systems, we usually do not worry about hydraulic pressures.

Download PDF sample

Rated 4.32 of 5 – based on 20 votes