contractile vacuoles
The Physiology Of Contractile Vacuoles
... It was found that cyanide could for a short time completely inhibit the actions of the contractile vacuoles of fresh-water Peritricha; therefore experiments were also carried out with so[r] ...
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The Physiology of Contractile Vacuoles
... There is clear indication in some experiments that restoration of output is delayed until the body has swollen to a size slightly greater than normal, and in these cases when the contrac[r] ...
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The Physiology of Contractile Vacuoles
... Moreover, it has been concluded from indirect evidence that an increase in temperature causes an increase in the permeability of the body surface to water, resulting in an increased rate[r] ...
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Hydroid stolonal contractions mediated by contractile vacuoles
... The vasculature bathes tissues in a common gastrovascular fluid, the movement of which is presumed to be driven by some combination of polyp contractions, stolon contractions and endoder[r] ...
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The Physiology of Contractile Vacuoles
... And in marine forms, if the cell membrane is relatively impermeable to salts, the same argument can be applied, namely, that since no more salts can leave the organism than enter it, the[r] ...
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The Physiology Of Contractile Vacuoles
... On these assumptions the rate of output required to account for a given rate of aody-volume decrease can be calculated as follows: I At any instant R0 = Ri + Rv and Rt = kSP-p II, where [r] ...
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The Physiology of Contractile Vacuoles
... are therefore as follows: from the effect of sucrose solutions on the body volume, 0-04 M non-electrolyte possibly slightly too low; from the relation of vacuolar output to concentration[r] ...
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The Physiology of Contractile Vacuoles
... During this readjustment the momentary rate of change of body volume will be equal to the rate of uptake of fluid minus the rate of output of the contractile vacuole swelling being regar[r] ...
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The Physiology of Contractile Vacuoles
... The experiments on Podophrya equilibrated with a solution of ethylene glycol, and then transferred to fresh water, constitute excellent evidence that the rate of output is increased in r[r] ...
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The Physiology of Contractile Vacuoles
... In those cases in which the body surface of the Podophrya became wrinkled after the capture of prey, as already described Kitching, 1952, the rate of vacuolar output increased considerab[r] ...
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The Physiology of Contractile Vacuoles
... In addition, high pressure affects contractile structures; at ordinary temperatures it increases the tension of muscle during contraction Brown, 1934, 1936 and it temporarily increases t[r] ...
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Copine A Is Required for Cytokinesis, Contractile Vacuole Function, and Development in Dictyostelium
... in contractile vacuole function, endolysosomal trafficking, and ...large contractile vacuoles, indicating a defect in contractile vacuole function, while endocytosis and phagocytosis rates for ...
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The first genistin absorption screening into vacuoles of Trifolium pratense L.
... The application of MgATP and two inhibitors within this study affected Gin presence in the vacuoles to varying degrees that could be linked to the mechanism dependent on proton gradi- ent. In the past, a number of ...
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The nature of human sperm head vacuoles: a systematic literature review
... large vacuoles [25,26] or several large or small vacuoles [27,28] have been found to present high levels of DNA ...large vacuoles (>50% of the sperm head area) and potentially other ab- ...
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Acquisition of the contractile phenotype by murine arterial smooth muscle cells depends on the Mir143/145 gene cluster
... from contractile to synthet- ic, a phenomenon known as phenotypic modulation or ...the contractile phenotype plays a key role in a number of major human diseases, including ...their contractile ...
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Regulation of contractile proteins by phosphorylation
... The two major contractile proteins, actin and myosin, polypeptide chain, myosin is a hexamer composed of are not only responsible for the contraction of skeletal, a pair of heavy chains [r] ...
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The diaphragm: contractile properties and fatigue
... Abbreviations used in this paper: Edi, moving time average of diaphragmatic electrical activity; EMG, electromyogram; FRC, functional residual capacity; IRL, inspiratory resistive loadin[r] ...
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Importance of the carotid sinus baroreceptors in the regulation of myocardial performance
... ventricular contractile force with Walton-Brodie strain gauge arches; the maximal rate of change in contractile force, dF/dt; the pressure developed within an isovolumic balloon inserted into the left ...
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Identification of a contractile function for renal medullary interstitial cells
... caused a slowly developing and dose-dependent reduction in RMIC surface area. ET-1 markedly increased the number and intensity of F-actin microfilament staining. ET-1- induced RMIC contraction was not altered by ...
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Purification and functional characterization of protoplasts and intact vacuoles from grape cells
... the vacuoles with the fluorescence micro- scope, the styryl dye FM 1-43 was used as described ear- lier ...” vacuoles, and some vacuoles seem to be con- taminated with cytoplasmic ...impure ...
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