By Robin R Preston PhD, Thad Wilson PhD
Lippincott’s Illustrated stories: Physiology brings body structure essentially into concentration. fresh to the LIR arsenal, it tells the tale of who we're, how we are living, and, finally, how we die. by way of first deciding upon organ functionality and then showing how cells and tissues are designed to satisfy that functionality, LIR Physiology decodes this self-discipline like no different textual content or evaluate booklet. each one aspect was once adapted for ease of use and quick content material absorption, all combining to convey this tale to existence for readers. Visionary paintings, medical functions, and Unit evaluate Questions educate and strengthen the main crucial ideas in physiology—perfect for lecture room studying and test/boards preparation!
More than six hundred energetic, full-color illustrations, the hallmark of the LIR series, painstakingly, and infrequently humorously (watch for the jokes!), consultant readers step-by-step via complicated processes.
Overviews and bankruptcy Summaries set transparent targets for subject mastery and reemphasize crucial innovations from every one bankruptcy in a coherent framework.
Clinical purposes packing containers and scientific photos encourage readers to use their wisdom, taking them from the study room to the bedside.
Margin instance Equation bins and in-text containers highlight memorable details and retain body structure in a real-world context.
Consistent define format makes serious info effortless to entry and assimilate.
Cross references and Infolinks to subject matters inside of this publication are keyed to web page headers to expedite place and also are supplied for themes in different LIR books for an interdisciplinary snatch of key concepts.
Unit-review questions in board-review sort try out figuring out of basic options in addition to the facility to attract connections between a number of organ systems.
Full-color animations, obtainable through
USMLE and COMLEX-style questions and online entry to the absolutely searchable textual content can be found through
Study assets include a map cross-referencing BRS body structure to LIR Physiology that provides clients a extra entire rationalization of a tricky concept.
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Additional info for Physiology
Currents Action potentials are gross membrane events reflecting net charge movements through many thousands of individual ion channels. 13). The sum of individual Naϩ channel-opening events yields a whole-cell Naϩ current. Similarly, the sum of individual Kϩ channel events yields a whole-cell Kϩ current. Because there are many different classes of ion channel with selective permeabilities for all of the common inorganic ions, a whole-cell Kϩ current (for example) may represent Kϩ efflux through two or more discrete Kϩ-channel types.
Because the transporter creates a charge imbalance across the membrane, it is said to be electrogenic. The direct contribution of this exchange to Vm is insignificant, however. The main role of the Naϩ-Kϩ ATPase is to maintain a Kϩ concentration gradient across the membrane, because it is the Kϩ gradient that ultimately determines Vm via the Kϩ diffusion potential. III. EXCITATION Many cell types use changes in Vm and transmembrane ion fluxes as a means of signaling or initiating intracellular events.
A liter of water has a mass of 1 kg at 4°C, but water volume increases with temperature, which causes osmolarity to fall slightly. Because mass is invariant, Osm/kg H2O is the preferred unit for use in discussions of human physiology. C. Tonicity Tonicity measures a solute’s effect on cell volume, the term recognizing that membrane-permeant solutes cause cells to shrink or swell through effects on ICF osmolality. 1. Nonpermeant solutes: Sucrose cannot cross the plasma membrane of most cells. 4A).