What's the difference between crustacea and crustacean?
Crustacea
Definition:
(n. pl.) One of the classes of the arthropods, including lobsters and crabs; -- so called from the crustlike shell with which they are covered.
Example Sentences:
(1) The tubular system in crustacea is necessary for excitation-contraction coupling.
(2) On the other hand, the major arsenic compound in fish, crustacea and molluscs has been identified as arsenobetaine, which is an arseno-analog of glycinebetaine, a very common osmo-regulator in living organisms.
(3) The development of microparticulate food particles for marine suspension-feeders is discussed with respect to the difficulties of nutrient delivery in the aquatic environment and to feeding and digestion in crustacea and bivalve molluscs.
(4) The xiphidio-cercaria monostomous, anenterous in type, is liberated in water and actively penetrates a Crustacea Gammarus pulex where it encysts.
(5) Of the brightly fluorescent areas in the whole of Crustacea, only the central body consistently exists in all species.
(6) The X-organ sinus gland is a major peptidergic neurosecretory system in Crustacea, analogous to the vertebrate hypothalamoneurohypophyseal system.
(7) It is tentatively concluded that a core of DNA base sequence homology has been highly conserved throughout the evolution of the Crustacea.
(8) Extrahepatic organs from fish and crustacea usually had higher GSH S-transferase activities than epoxide hydrase activities with the alkene and arene oxide substrates.
(9) Crossed radioimmunoelectrophoresis (CRIE) demonstrated 6 crawfish and 4 lobster allergens when individual or pooled sera from radioallergosorbent test (RAST)-positive crustacea-sensitive subjects were used.
(10) Flatfish, mainly in the form of plaice, and crustacea were found to be the main source of organic arsenic compounds.
(11) Finally, we present evidence that shows that the class I MTs in marine crustacea are involved in the sequestration of elevated levels of heavy-metal ions.
(12) A simple model for growth, molting, and regeneration in heavily calcified Crustacea is developed from the viewpoint of adaptive strategies and energetic considerations.
(13) Vibrio cholerae, an autochthonous member of brackish water and estuarine bacterial communities, also attaches to crustacea, a significant factor in multiplication and survival of V. cholerae in nature.
(14) Hemocyanin has been used as a protein marker for Crustacea speciation.
(15) Glutamate induced responses in the surface membrane of Xenopus oocyte by injection with mRNA from crustacea and insect muscle.
(16) In this study we have analyzed the sterol compositions of two continental shelf species of crustacea, the lobster (Homarus americanus) and the shrimp (Pandalus borealis).
(17) Research on the transmission of Hemiurid Trematode Halipegus ovocaudatus in experimental and natural conditions demonstrates the following: --the miracidium grows into a sporocyst producing rediae in the Mollusc Planorbis planorbis; -- the cystophorous cercariae become mesocercariae in the hemocoele of Copepodes or finally Ostracodes when swallowed; -- the mesocercariae become matacercariae in the mesenteron of larval Odonates (Zygoptera and Anisoptera) when these larvae swallow the Crustacea; -- the metacercariae become become adults in the Amphibial Rana ridibundal perezi which feeds on dragonflies.
(18) Consistent results were obtained not only with the cuticle of Periplanata americana but also with the cuticle of Emerita asiatica (crustacea).
(19) (Protozoa: Microspora) from larval Aedes cantator mosquitoes were directly infectious to an alternate copepod host, Acanthocyclops vernalis (Arthropoda: Crustacea).
(20) Astacus astacus L. (Crustacea: Decapoda) were estimated by several biochemical and histochemical methods.
Crustacean
Definition:
(a.) Of or pertaining to the Crustacea; crustaceous.
(n.) An animal belonging to the class Crustacea.
Example Sentences:
(1) It is assumed that taurine increases the Ca2+ sensitivity of the force-generating myofilaments in mammalian hearts and crustacean slow skeletal muscle fibres.
(2) The implications of these findings for the development and physiological performance of the crustacean motor unit are discussed.
(3) The four hosts (Mollusc -- Crustacean -- Odonat -- Amphibian) are obligatory in the life cycle for it is impossible to infect the Insects directly with the cecariae or the frog (tadpoles as well as adults) with the mesocercariae.
(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) Clearance of foreign materials from the hemocoel of decapod crustaceans involves several distinct kinds of cells.
(7) Electron microscopy has revealed that chitin from a representative selection of insect orders (plus one crustacean and one arachnid) is localized in crystallites about 2.8 nm across.
(8) The crustacean Na+-H+ antiporter therefore bears similarities to the vertebrate antiporter but is uniquely electrogenic.
(9) The highest levels were found in hepatopancreas from crustaceans.
(10) From the vantage point of my 10-centimetre porthole, I glimpsed life forms with outlines like blown glass occasionally drifting past our lights, while small crustaceans hovered around like flies, keeping pace with our descent.
(11) The significance of the terminal residues of the red pigment-concentrating hormone (RPCH: Glu-Leu-Asn-Phe-Ser-Pro-Gly-Trp-NH2) for its blanching effect on crustacean chromatophores has been investigated.
(12) 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.
(13) Foods causing most prominent symptoms among patients in group A included legumes, tree nuts, crustaceans, and fish.
(14) In the walking legs of decapod crustaceans, intersegmental reflex actions originate from various joint proprioceptors.
(15) Ovaries from the spider crab, Libinia emarginata L. were studied to learn more of vitellogenesis in crustaceans.
(16) However, some responses were inhibitory, the first such demonstration in aquatic crustaceans.
(17) These include insects, chelicerates, most crustaceans, annelids, priapulids, nematodes, and some sipunculids.
(18) The pentapeptide proctolin modulates the activity of the rhythmic pattern generators in the crustacean stomatogastric nervous system.
(19) Tilapia is an aquaponics staple, but crustaceans are also up for discussion.
(20) Ross said researchers have identified four new species of fish, a new type of starfish and several new species of crustaceans living in the deepwater reefs.