(n.) Any crustacean of the family Astacidae, resembling the lobster, but smaller, and found in fresh waters. Crawfishes are esteemed very delicate food both in Europe and America. The North American species are numerous and mostly belong to the genus Cambarus. The blind crawfish of the Mammoth Cave is Cambarus pellucidus. The common European species is Astacus fluviatilis.
(n.) See Crawfish.
Example Sentences:
(1) Similar to intact crayfish, animals with an isolated protocerebrum-eyestalk complex, exhibit competent circadian rhythms in the electroretinogram (ERG).
(2) When caffeine evokes a contraction, and only then, crayfish muscle fibers become refractory to a second challenge with caffeine for up to 20 min in the standard saline (5 mM K(o)).
(3) Anthopleurin-A produced two distinct responses in crayfish giant axons: depolarization and prolongation of action potentials.
(4) After 2 weeks of chronic exposure to 75 mM EtOH, crayfish showed behavioral tolerance as measured by a decrease in righting time and an increase in tail-flip escape behavior to control levels.
(5) The factors acting at the crayfish and cockroach blood-brain barrier are summarized in FIGURE 8 and would be well suited for providing efficient K+ spatial buffering of the CNS.
(6) The equations of membrane potential developed by Kobatake and coworkers have been applied to the literature data on the resting membrane potential of the crayfish and Myxicola axons to derive values for the surface charge density present on the axon membranes.
(7) Transection of crayfish peripheral nerves proximal to the neuron cell bodies produced a more than two-fold increase in [3H]leucine incorporation, but no significant changes in labeling profiles of the proteins on SDS gels.
(8) Ultimately, I need to get rid of of crayfish and crayfish products – my dreams are so much bigger than what we are doing right now.
(9) This species preferred a higher temperature than its acclimation temperature for those acclimation temperatures ranging from 6 degrees to 26 degrees C. When acclimated to 30 degrees and 33 degrees C, the crayfish preferred a lower temperature than its acclimation temperature.
(10) All three toxins prolonged crayfish giant axon action potentials by selectively slowing Na channel inactivation without greatly affecting activation.
(11) Specific high affinity binding of the cage convulsant t-[35S]butylbicyclophosphorothionate (TBPS) was observed in membrane homogenates of housefly heads and crayfish abdominal muscles.
(12) A toxin from the Bermuda anemone Condylactis gigantea causes the early transient conductance change of crayfish giant axon membranes to persist without affecting the shape of its turning-on.
(13) Simulation results are shown to be in qualitative agreement with experimental data reported for Aplysia and crayfish.
(14) The axons of the pigmented cells terminate in the neuropil of the protocerebral bridge, together with neuronal elements that label with antibodies against serotonin and substance P. We suggest that the brain photoreceptors of the crayfish are important in the entrainment of circadian rhythms.
(15) By stimulating and recording from the same interneuron at two separate points, we have shown that coordinated output to the postural abdominal muscles of crayfish can be produced by electrical stimulation of a single cell.
(16) There are more unsaturated fatty acids in the crayfish than in the rabbit membranes.
(17) The glutathione S-transferase activity in hepatopancreas of the American red crayfish Procambarus clarkii after 15 days' acclimatization in tap water aquaria was measured in specimens collected monthly for a whole year, and shows seasonal variation.
(18) As part of its repertoire of defensive behaviors, the crayfish, Procambarus clarkii, may respond to mildly threatening tactile or visual stimuli from the front of its body by walking backwards.
(19) In nonmuscle tissues, four types of isoforms were found on two-dimensional gel electrophoresis and in immunoreplica tests using an antiserum against crayfish skeletal muscle tropomyosin.
(20) Visual pigment absorption spectra were measured in single photoreceptors of a stomatopod, a crayfish, a hermit crab, and five species of brachyuran crab.
Shrimp
Definition:
(v. t.) To contract; to shrink.
(v.) Any one of numerous species of macruran Crustacea belonging to Crangon and various allied genera, having a slender body and long legs. Many of them are used as food. The larger kinds are called also prawns. See Illust. of Decapoda.
(v.) In a more general sense, any species of the macruran tribe Caridea, or any species of the order Schizopoda, having a similar form.
(v.) In a loose sense, any small crustacean, including some amphipods and even certain entomostracans; as, the fairy shrimp, and brine shrimp. See under Fairy, and Brine.
(v.) Figuratively, a little wrinkled man; a dwarf; -- in contempt.
Example Sentences:
(1) Eukaryotic ribosomes were isolated from the cryptobiotic embryos and from the further-developed free-swimming nauplii of the brine shrimp Artemia salina.
(2) Facebook Twitter Pinterest Invasive freshwater killer shrimp ( Dikerogammarus villosus ) are likely in increase in number in the UK.
(3) There is evidence that they might predate on our native shrimps, on our insect larvae, possibly fish eggs.
(4) Larval salt glands isolated from the naupliar brine shrimp (Artemia salina) were examined using light microscopy and scanning and transmission electron microscopy.
(5) The radioallergosorbent inhibition test, however, suggested that there may be no cross-reactivity or, if any, only very low cross-reactivity between midge allergens and mite, house dust (HD), silk, shrimp, or mosquito allergens.
(6) Shrimp-water extract was fractionated by chromatofocusing with pH and NaCl gradients.
(7) Shrimp-sensitive subjects also had significantly elevated serum levels of shrimp-specific IgG and IgA as compared to control individuals.
(8) We investigated the toxicity of 32 different mycotoxins, 7 macrolides, not 3 other fungal metabolites to Artemia saline (Brine Shrimp) larvae.
(9) Shrimp-specific IgE and IgG, but not IgM and IgA, were significantly higher in the group with shrimp hypersensitivity as compared to the control subjects.
(10) Both shrimp and bovine DNases are sensitive to iodoacetate inactivation under the same condition.
(11) In our experience the occurrence of urticaria, angioedema or anaphylaxis after meals in Chinese or Indonesian restaurants is more often due to IgE-mediated Type I food allergy, caused by consumption of shrimp, peanut or spices, in particular those of the parsley family (e.g.
(12) As to the foreign body, the patient remembered eating a shrimp, which was probably the foreign body in question.
(13) It is reliable and simple--The coefficients of variation for 1.0-5.0 micrograms As (III), kelp and dried small shrimp samples are 1.5-5.6%, 4.4% and 9.5%, respectively.
(14) Brine shrimp growth under these conditions was monitored by measuring body lengths during a 7-day exposure period.
(15) A variety of marine biota, including zooplankton, sargassum, surface plankton, squid, shrimp, and fish collected along the south Texas Outer Continental Shelf, were analyzed for Cu, Zn, Cd, Pb, Cr, Ni, Fe, and Mn.
(16) Wild P. monodon exoskeleton contained on average 26.3 ppm total carotenoid; normally pigmented farmed shrimp had a similar concentration (25.3 ppm).
(17) Subjects were classified by a history of food allergy (shrimp hypersensitivity) and atopic status.
(18) In the cities of Oasis and Riverside, Calif., tadpole shrimp significantly reduced the abundance of immature mosquitoes (Cx.
(19) Findings of our study, therefore, suggest the potential of shrimp by-catch for the preparation of fish portions in view of its high acceptability and simple processing technique, by using marine resources not fully utilized at present.
(20) The luciferin of the bioluminescent decapod shrimp, Oplophorus gracilorostris, was purified and studied with respect to u.v.