(n.) One who croaks, murmurs, grumbles, or complains unreasonably; one who habitually forebodes evil.
(n.) A small American fish (Micropogon undulatus), of the Atlantic coast.
(n.) An American fresh-water fish (Aplodinotus grunniens); -- called also drum.
(n.) The surf fish of California.
Example Sentences:
(1) The spotted seatrout GTH beta-subunit was used as radioligand in a radioimmunoassay (RIA) with Atlantic croaker (Micropogonias undulatus) GTH antiserum.
(2) The involvement of active inorganic ion transport and Na+,K(+)-ATPase in oocyte hydration in Atlantic croaker (Micropogonias undulatus) and spotted seatrout (Cynoscion nebulosus), marine teleosts which spawn pelagic eggs, was investigated by examining changes in the inorganic ion content of ovarian follicles containing mainly oocytes, by performing in vitro incubations of the follicles with ion channel blockers, and by assaying membrane preparations of ovaries containing hydrating and non-hydrating oocytes for Na+,K(+)-ATPase activity and content.
(3) Spermatozoa of Atlantic croaker diluted in either NaCl or sodium citrate solutions with or without DMSO were examined with the electron microscope before freezing in liquid nitrogen and after thawing.
(4) Antiserum to croaker maturational gonadotropin, which recognizes two distinct gonadotropins in sciaendis, bound strongly and specifically to the gonadotrops.
(5) The effects of several mammalian reproductive toxins on reproductive endocrine function in female Atlantic croaker (Micropogonias undulatus) were examined.
(6) Proteinase II, a high-molecular-mass proteinase previously identified in white croaker skeletal muscle, was purified to apparent homogeneity by DEAE-Sephacel, phenyl-Sepharose CL 4B, and Sephacryl S-300 chromatographies.
(7) The spermatozoon of the Atlantic croaker (Micropogonias undulatus) is a primitive type in that it lacks an acrosome.
(8) Ovarian tissue in the process of FOM was removed from Atlantic croaker (Micropogonias undulatus) and incubated with human chorionic gonadotropin (hCG) and pregnenolone in tissue culture medium for 8 hr.
(9) The alkaline proteinase showing pH optimum 8.0 from white croaker (Sciaena schlegeli) skeletal muscle was purified electrophoretically homogeneously (2000-fold) using a combination of DEAE-cellulose chromatography, hydroxylapatite chromatography and Ultrogel AcA 34 gel filtration.
(10) The effect of in vitro exposure to tributyltin (TBT) on the chemiluminescent (CL) responses of kidney macrophages was examined in oyster toadfish (Opsanus tau), hogchoker (Trinectes maculatus) and Atlantic croaker (Micropogonias undulatus).
(11) Fractions were bioassayed for their potency to induce GVBD of Atlantic croaker oocytes in vitro.
(12) Full-grown oocytes of Atlantic croaker are insensitive to maturation-inducing steroid (MIS) unless they are primed with gonadotropin (GtH).
(13) Pituitary extracts and plasmas from a variety of sciaenid fishes diluted parallel to the croaker GTH standard in the RIA.
(14) These findings strongly suggest that 20 beta-S is the terminal product of the MIS biosynthetic pathway in Atlantic croaker ovaries.
(15) All the steroids produced by Atlantic croaker ovaries during final oocyte maturation (FOM) were assayed for their ability to induce germinal vesicle breakdown (GVBD) of croaker oocytes in vitro.
(16) Based upon observations of a high prevalence of skin neoplasms near the discharge point for kraft pulp mills, experiments were conducted to determine the neoplastic induction efficiency of the effluent on the croaker and sea catfish species.
(17) These results provide further evidence that 20 beta-S is a major maturation-inducing steroid in Atlantic croaker.
(18) The objective of this study was to examine the mechanism of GtH-induced maturational competence in croaker oocytes.
(19) The contribution of environmental chemicals to the cause of chromatophoroma in the feral croaker is considered likely on the basis of the following results in our studies.
(20) A croaker (Nibea mitsukurii) has a high incidence of the skin melanoma, chromatophoroma, in a Pacific coastal area in Japan.
Doomsayer
Definition:
Example Sentences:
(1) 6.15pm BST Obama says the GOP doomsaying has proven hollow: Most Republicans have made a whole bunch of predictions that haven't come true.
(2) The drone from traffic on the parallel Quai des Celestins, higher up the river bank, suggests traffic there is moving along at a respectable pace – confounding those doomsayers who suggested the controversial scheme to pedestrianise two miles of city centre highway would bring neighbouring roads to a standstill.
(3) The unions came to Westminster today, like doomsayers waiting for the rest of the country to catch up.
(4) Draghi ridiculed the doomsayers predicting that hyperinflation would eventually result from QE, saying that hawks had repeatedly warned about inflation taking off each time the ECB had cut interest rates – yet inflation remained very low.
(5) Nor is it disintegrating, as the doomsayers love to repeat.
(6) Ferrari was hopeful about the potential to save the Great Barrier Reef, she said, despite the doomsaying about its prospects.
(7) After six years as editor of the red-top she delivered a passionate defence of tabloids while railing against industry doomsayers at the Cudlipp Lecture at the London College of Communication.
(8) Miliband will say that their success has proved how "doomsayers", from Oswald Moseley to the BNP, have completely misjudged Britain.
(9) He will say: "We've had our fair share of doomsayers in Britain over the years, from Oswald Moseley in the 1930s, to Enoch Powell in the 1960s, to Nick Griffin today, who said it wasn't possible for us to get along.
(10) Should any of this doomsaying concern us, particularly in a credit-crunched world?
(11) Yet there are still reasons to hope that 2017, like 2016, will not turn out as bad as the doomsayers predict.
(12) Focus DIY gave doomsayers more reason to be gloomy after it embarked on a vital restructuring to stave off its collapse.
(13) Defying all the doomsayers who said a vote to leave could prompt a recession, consumers carried on spending and businesses continued to expand .
(14) Nigeria has proved the doomsayers wrong before, but the odds are worsening.
(15) Right-wing conservatives like Jacob Rees-Mogg joined in, saying that because of the obsession of "the doomsayers of the quasi-religious Green movement" poor people "may die because they can't afford fuel".
(16) Those glum doomsayers, prime minister Binyamin Netanyahu , defence chief Ehud Barak, and president Shimon Peres , are frantically ringing alarm bells like a trio of demented churchwardens.
(17) But, against the doomsayers, an almost supernatural peace and good will reigned.
(18) The long-awaited election in the continent’s biggest democracy, with 60 million potential voters, did not descend into the chaos or violence that the doomsayers had predicted, but it was hardly plain sailing.
(19) He said industry doomsayers were "misguided cynics".
(20) Edwards – a high profile City strategist renowned as a market doomsayer – said the scheme was artificially propping up the market and preventing prices correcting to affordable levels.