(a.) Pertaining to water; growing in water; living in, swimming in, or frequenting the margins of waters; as, aquatic plants and fowls.
(n.) An aquatic animal or plant.
(n.) Sports or exercises practiced in or on the water.
Example Sentences:
(1) In a number of bacteriological drinking water analyses, this property was confirmed insofar as aquatic myxobacteria could regularly be demonstrated when inspecting hygienically deficient wells or springs.
(2) While the combined O2 uptake changed by a factor of 2, within the weight range under study, the aquatic O2 uptake changed 8-fold within the same range.
(3) Heavy metals are well known pollutants in the aquatic environment.
(4) In contrast to widespread distribution of PCBs in the environment, PCT residues were seldom found in samples from aquatic environments such as water and sludge and waterfowl and fish, and, if found, the levels of PCTs were so low as to be practically negligible.
(5) Neither the stock cultures nor the aquatic strains were capable of growth in autoclaved river water taken above the sewage outfall at the three temperatures tested.
(6) Hydrotherapy is based on several important bioengineering principles that permit the design and development of aquatic exercise devices, techniques and programs.
(7) Using zoospore capture technique, 361 colonies of aquatic freshwater fungi were recovered from sewage effluents, out of which 341 reached sexual maturity.
(8) Based on this concern, the objectives of this study were to: (1) compile, review, and synthesize literature on the fate, persistence, and environmental concentrations of DFB in both freshwater and saltwater environments; (2) compile, review, and synthesize acute and chronic aquatic toxicity data on DFB effects on freshwater and saltwater organisms; (3) assess possible risk to aquatic biota associated with the use of this insecticide in one specific area (Maryland); and (4) recommend future research based on the data gaps identified from this study.
(9) Monthly mean concentrations of dieldrin in river water and most aquatic organisms were highest in June and July, soon after aldrin had been applied to corn land in the watershed.
(10) Thus, the fern bioassay may be an inexpensive means of detecting both chronic low dose and episodic high dose inputs of mutagenic pollutants into aquatic ecosystems.
(11) Concentration factors of strontium-90 in aquatic organisms and substrates are higher in a dystrophic lake than in the other types.
(12) A minimal kinetic scheme is derived, in which a transient monodentate DNA-platinum(II) adduct is formed in a bimolecular reaction between DNA and aquated platinum(II) compounds.
(13) The substances released by algae in the profundal are taken up by aquatic bacteria which explains the lower release and PER measured.
(14) Eggs contained first-stage larvae in 23-26 days at 25 C. Seven species of aquatic oligochaetes were exposed experimentally to eggs of E. tubifex containing first-stage larvae.
(15) A gas-liquid chromatographic (GLC) method is described for determining residues of Bayer 73 (2-aminoethanol salt of 2',5-dichloro-4'-nitrosalicylanilide) in fish muscle, aquatic invertebrates, mud, and water by analyzing for 2-chloro-4-nitroaniline (CNA), a hydrolysis product of Bayer 73.
(16) The oral communications and posters were divided into five subsections, covering systematics at supraspecific, specific and subspecific levels, evolution, and life cycles of parasites with hosts in both aquatic and terrestrial environments.
(17) Their stabilities were studied in water and the influence of chloride anions, pH, temperature and time was discussed and rate constants of the aquation reactions at different conditions were calculated.
(18) Since sediments from the habitats occupied by the fish in this study have been shown to contain multiple hepatocarcinogens, the findings strengthen cumulative evidence that English sole are useful as indicators of exposure to hepatocarcinogens in aquatic environments.
(19) Aquatic plants are notoriously difficult to study systematically due to convergent evolution and reductionary processes that result in confusing arrays of morphological features.
(20) Tryptic peptide comparisons of 125I-labeled virion proteins showed that five viruses are different from each other, although there was considerable overlap in the peptide maps of the three aquatic viruses, indicting a degree of relatedness.
Coelenterate
Definition:
(a.) Belonging to the Coelentera.
(n.) One of the Coelentera.
Example Sentences:
(1) Coelenterate and poriferan connective tissues were devoid of these acid polysaccharides.
(2) Many coelenterates can injure human skin by means of their nematocytes.
(3) The system of a related anthozoan coelenterate, the sea pansy Renilla reniformis, however, is oxygen dependent, requiring two organic components, luciferin and luciferase.
(4) A Ca2+-triggered luciferin-binding protein (BP-LH2) from the bioluminescent marine coelenterate, Renilla reniformis, has been purified by conventional methods.
(5) There are various types of photoproteins: the photoproteins of coelenterates, ctenophores and radiolarians require Ca2+ to trigger their luminescence; the photoproteins of the bivalve Pholas and of the scale worm appear to involve superoxide radicals and O2 in their light-emitting reactions; the photoprotein of euphausiid shrimps emits light only in the presence of a special fluorescent compound; the photoprotein of the millipede Luminodesmus, the only known example of terrestrial origin, requires ATP and Mg2+ to emit light.
(6) Glutamate dehydrogenases detected in tissue extracts of a broad sample of coelenterate species all require NADP(H) as a co-substrate, rather than being capable of using either NAD(H) or NADP(H).
(7) Mucus is an ubiquitous polymer hydrogel that functions as a protective coat on the surface of integument and mucosa of species ranging from simple animals (such as coelenterates) to mammals.
(8) In the hydrozoan coelenterate Obelia geniculata, epithelial cell action potentials trigger light emission from photocyte effector cells containing obelin, an endogenous calcium-activated photoprotein.
(9) We studied by immunohistochemistry three cases of delayed envenomation by coelenterates.
(10) These case histories demonstrate that multiple recurrent eruptions may follow solitary envenomations by different subphyla of coelenterates, that the initial eruption induced by the sting may be delayed by the administration of high doses of systemic corticosteroids, and that an immunologic reaction in both the B and T cell systems can follow jellyfish envenomation.
(11) The regeneration of coelenterate photoproteins in this manner probably takes place in vivo, utilizing stored coelenterazine.
(12) At least 100 of the approximately 9,000 species of coelenterates are dangerous to humans.
(13) Hydra viridis (= Chlorohydra viridissima) the freshwater coelenterate, is symbiotic.
(14) Some years ago our laboratory reported that the bioluminescence reaction in the ctenophores which had long eluded definition involved a calcium activated photoprotein similar in many respects to that found in other coelenterates, notably Aequorea.
(15) Skin tumor-promoting agents, including the 12-O-tetradecanoylphorbol-13-acetate (TPA)-type tumor promoters, such as diterpine phorbol esters, teleocidin and aplysiatoxin, and a non-TPA-type tumor promoter (the newly described palytoxin, present in the coelenterate of the genus Palythoa), stimulated arachidonic acid metabolism by rat liver cells in culture.
(16) Their distribution among lipids of a number of species of different classes of coelenterates from the northern and tropical seas, among neutral and polar lipids of these organisms was investigated.
(17) By using immunocytochemistry and radioimmunoassays, several substances resembling vertebrate or invertebrate neuropeptides have been found in the nervous systems of coelenterates.
(18) Sudden death following coelenterate envenomation is not uncommon in Australia where the Pacific box jellyfish is indigenous.
(19) The principal sources of these agents are bacteria, higher fungi, cnidarians (coelenterates) and the venoms of snakes, insects and other arthropods.
(20) The recurrent eruptions appeared several days after the primary exposure without contact with any offending coelenterate.