(1) Better reproduction can be obtained by culturing the amphipods in some sediments, but this makes weekly enumeration difficult.
(2) An investigation into vitamin D-like molecules has been performed on whole extracts of the terrestrial amphipod Orchestia cavimana, using a sensitive nonequilibrium assay employing 1,25-(OH)2 D receptor from calf thymus.
(3) Infected amphipods were all females, and their total length was greater than that of uninfected females.
(4) Amphipods were collected monthly from April 1982 to March 1983 from a study site at the West Fork of Drake's Creek, Simpson Co., Kentucky.
(5) Amphipods in length classes 3 through 15 were infected with P. bulbocolli.
(6) Non-target amphipod, anostracan, cladoceran and insect populations were usually reduced 80-100% while copepods, ostracods and hydracarinid mites were generally less affected.
(7) The widest difference between two organisms occurred in the case of the Amphipod, Gammarus pulex (LC90-95, greater than 1 ppm) which was found to be about 5000 x more tolerant to temephos than are nymphs of the mayfly, Baetis rhodani.
(8) The diploid number of Phronima sedentaria and P. atlantica is 30, all the chromosomes are metacentric or submetacentric; the caryotypes of these two species are compared with those of other Amphipods.
(9) The whale stomach contained almost exclusively the amphipod Parathemisto gaudichaudi.
(10) Amphipods fed in containers of algae over which eggs with exposed fibrillar bands had been added developed a significantly greater prevalence and intensity of acanthocephalan infection than did those fed in containers to which eggs had been added before the algae.
(11) The number of infected amphipods per m2 was lowest (0.6) in May and highest (27.3) in November.
(12) SfG of the freshwater amphipod Gammarus pulex was found to be a sensitive indicator of stress under laboratory conditions and here we describe the field deployment of this technique and present data from three field trials.
(13) No significant differences in OC levels were measured in benthic amphipods collected at different times.
(14) A total of 2,502 amphipods was examined; 1,575 (62.9%) were infected with P. bulbocolli.
(15) In the upper Tuloma River [correction of Verkhnetulomsk] water reservoir, due to the dropping out of the amphipod group of benthos from the biocoenosis of the water body, there has been formed a close ecological connection between copepods, C. lavaretus and E. lucius that resulted in the increase of T. crassus and gave rise to Triaenophorus infection of C. lavaretus here.
(16) Its forms range from sex determination by egg incubation temperature in reptiles to sex determination of photoperiod in amphipods.
(17) Metabolites of trans-chlordane were also measured in plankton and benthic amphipods.
(18) The aim of this study is to compare the heart ultrastructure of some large amphipids from Lake Baikal(Acanthogammarus albus, Parapallasea puzylli and Poekilogammarus sukaczewi) with smaller amphipods from Europe and Northern America.
(19) or the under-ice gammaridean amphipod (Gammarus wilkitzkii).
(20) The amphipod Pontoporeia femorata (Kröyer) contains approximately equal amounts of odd chain length and even chain length fatty acids.
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.