...Ryan A. Dombkowski; Meredith M. Doellman; Sally K. Head; Kenneth R. Olson SUMMARY Hydrogen sulfide (H 2 S) is a recently identified gasotransmitter that may mediate hypoxic responses in vascular smooth muscle. H 2 S also appears to be a signaling molecule in mammalian non-vascular smooth muscle...

... 2004 © The Company of Biologists Limited 2004 2004 Mytilus edulis smooth muscle catch state load-bearing ability series elastic component isotonic lengthening parallel hypothesis The anterior byssal retractor muscle (ABRM) of a bivalve mollusc Mytilus edulis contracts...

... The Company of Biologists Limited 2002 2002 peptide artery smooth muscle cardiovascular system enterin mollusc Aplysia kurodai Physiological control of the cardiovascular system is associated with various animal behaviors. During several aspects of the behaviors, the neuronal regulation...

... obtained from sea cucumber ( Ludwigothurea grisea ) smooth muscle. The activity of this enzyme is enhanced three-to fivefold by K + and Na + . During Ca 2+ transport, the ATPase can synthesise ATP from ADP and inorganic phosphate (P i ) using the energy derived from the Ca 2+ gradient formed across...

... of pre-existing tonus produced by stimulatory doses of other vasoconstrictors. Thus, the effects of AVT and other vascular smooth muscle agonists (including endothelin; Smith and K. R. Olson, unpublished observation) on contraction are additive. This suggests that the AVT excitation–contraction pathways...

... by ANG II. Similarly, the effects of ANG II on gut, urinary bladder and gall bladder smooth muscle were negligible or non-existent; thus, an increase in splanchnic resistance due to extravascular compression can be discounted. These results indicate that, in trout, the systemic microcirculation...

... was distributed throughout the ganglion and resembled a smooth muscle cell. Either of these cell types might generate ganglionic contractions. * To whom reprint requests should be addressed at the University of Southern California. 08 05 1990 © 1990 by Company of Biologists 1990...

... found. The dependence of isometric active force development on the length of the sphincter pupillae is similar to that of other smooth muscles. The action spectrum of the axolotl is similar to the absorption spectrum of frog rhodopsin. At low stimulus strengths, the increase of normalized, isometric...

... the edicular epithelium is similar to that of other reptiles and of mammals. The distribution of non-vascular smooth muscle, 64% in trabeculae and 36% in interedicular walls, is consistent with the hypothesis that these two antagonistically oriented muscle groups interact to effect lung patency. The volume...

...P. G. Stein; P. A. V. Anderson ABSTRACT Progress toward understanding the physiology of smooth muscle has been slow for several reasons. In most smooth muscle tissues, the cells are extremely small, electrically coupled to one another, often spontaneously active and complexed with large amounts...