(n.) Any large macrurous crustacean used as food, esp. those of the genus Homarus; as the American lobster (H. Americanus), and the European lobster (H. vulgaris). The Norwegian lobster (Nephrops Norvegicus) is similar in form. All these have a pair of large unequal claws. The spiny lobsters of more southern waters, belonging to Palinurus, Panulirus, and allied genera, have no large claws. The fresh-water crayfishes are sometimes called lobsters.
Example Sentences:
(1) Quantitative measurements for 5-HT in lobster larvae were performed using high pressure liquid chromatography (HPLC) with dual electrochemical detection and for proctolin using radioimmunoassay.
(2) However, the 'essential' cysteine residue 165 is replaced by threonine, as it is in the L-lactate dehydrogenase of lobster.
(3) The responses of a population of 30 olfactory receptor cells from spiny lobsters to 8 behaviorally relevant complex types of stimuli at 0.005, 0.05 and 0.5 mM were analyzed using multidimensional scaling to evaluate their potential for coding quality and intensity.
(4) Using a spectrophotometric method, the kinetics of the crustacean muscle enzyme was compared to the acetylcholinesterase (AChE) on mammalian red blood cells and in the lobster ventral nerve cord.
(5) In crustacean nerve 12-14% of the phospholipids was in the form of alkyl ether phospholipids, which in the lobster were approximately half choline-containing and half ethanolamine-containing.
(6) Extracellular responses to complex biologically relevant stimuli were recorded from 30 primary olfactory cells from excised antennules of spiny lobsters.
(7) Analogues of arginine inhibit the exchange reaction of the lobster enzyme but enhance that of the Holothuria enzyme.
(8) Earlier studies identified purinergic chemoreceptors in the olfactory organ of the spiny lobster, Panulirus argus.
(9) The last in a line of fishermen, his 87-year-old grandfather is still catching lobsters.
(10) In view of the small molecular size and high lipid solubility of methyl mercury and the lipophilic properties of the chitin-protein exoskeleton of the lobster, it is likely that significant uptake directly from the water as well as storage of absorbed methyl mercury occurred in the tail region.
(11) The strongest extension response was produced at 2 Hz which falls within the normal range of swimmeret beating in intact lobsters.
(12) Feathered hair sensilla fringe both rami of the lobster (Homarus americanus) swimmeret.
(13) Of the other alkali-metal ions tested, only Rb+ activated phosphofructokinase from lobster abdominal muscle and rat heart muscle.
(14) This type of innervation was compared between a small and a large lobster where a two-fold difference in mean quantal content of synaptic transmission was found.
(15) The in vitro rates of incorporation of precursors into protein and RNA and the concentration of RNA were measured in tissues of intermolt and premolt lobsters acclimated to 5 degrees C and 20 degrees C. Midgut gland, abdominal muscle and gill of intermolt lobsters respond to temperature acclimation by a compensatory translation of the rate-temperature (R-T) curves with respect to the rates of incorporation of 3H-leucine and 3H-uridine into the acid-insoluble fraction.
(16) The role of histidyls in lobster arginine kinase (EC 2.7.3.3) has been studied by 1H-NMR spectroscopy of the enzyme and its complexes with substrates or their analogues and 31P-NMR spectroscopy of complexes with ADP.
(17) When the monocarboxymethylated enzyme was briefly treated with small amounts of iodine, iodination could be confined almost entirely to tyrosine-46 in the lobster enzyme; tyrosine-39 or tyrosine-42, or both, were also beginning to react.
(18) You’d be hard pushed to find half a dozen fresh oysters at this great price.” Frozen food giant Iceland sparked lobster wars last month with what it claimed was the cheapest cooked crustacean in Britain.
(19) Estrone, 17 beta-estradiol, or 17 alpha-estradiol was formed by central neural tissues of all species, with the exception of the opossum, hagfish, and lobster.
(20) Two metallothionein (low-molecular-weight, metal-binding proteins) preparations, MT-1 and MT-2, have been isolated from the digestive gland of American lobster (Homarus americanus) contaminated with Cd.
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.