(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.
Pessimist
Definition:
(n.) One who advocates the doctrine of pessimism; -- opposed to optimist.
(n.) One who looks on the dark side of things.
(a.) Alt. of Pessimistic
Example Sentences:
(1) A rather pessimistic wind is blowing over cancer chemotherapy, while a not very objective enthusiasm for second generation immunotherapy is raising its head.
(2) We challenge this pessimistic approach, and describe here our experience with seven patients with solid tumors, in whom pericardial effusion was diagnosed; one of them is described in detail.
(3) Verbally abused children were more angry and more pessimistic about their future.
(4) Has recently sounded pessimistic about the prospects for a full post-Copenhagen treaty: "You should not have too many expectations."
(5) Two groups, one institutionalized and the other noninstitutionalized but without formal activities, were described as being disengaged: e.g., withdrawn socially, self-absorbed, as well as powerless, pessimistic, and depressed.
(6) It is concluded that the heretofore pessimistic outlook regarding complete quadriplegia is unwarranted and that a more aggressive approach may result in a better functional outcome.
(7) "What our study has shown is that this applies similarly to dogs – that a 'glass half full' dog is less likely to be anxious when left alone than one with a more 'pessimistic' nature."
(8) "It's like watching a bullfight," says one Conservative backbench pessimist.
(9) The agency hopes it can later extend the work to urban rivers outside London, but is pessimistic that parts of the Fleet might one day be released to public view.
(10) It is a totally unrealistic, pessimistic vision about what this country can achieve."
(11) Rehabilitation of patients with chronic respiratory disease has tended to be neglected in the past, partly because of a generally pessimistic view of their prospects.
(12) Another important factor is the lack of motivation shown by attending physicians to detect less obvious cases of alcohol dependence as they feel pessimistic about dealing with this condition.
(13) Predictions based on very early assessment are, therefore, often unduly pessimistic.
(14) If we’re being pessimistic about it, the whole idea of the euro has been weakened and maybe we’ll look back and see this as the beginning of the end of that ideal.” She reflected a pessimistic feeling among Germans, whether financial experts or ordinary folk on the street, that the whole of Europe had taken a battering over the negotiations, one from which it would take time to recover; and the strong belief that the very same politicians would once again find themselves in a huddle over the same issue a few months down the line.
(15) A substantial number of people who start small businesses have no qualifications beyond secondary school, he says, and, worse, may have no technical or business management training Peter Strong, of the Small Business Association , is less pessimistic.
(16) The estimated overall risk difference remained negative even when all patients in the sclerotherapy group with an unknown survival status were pessimistically considered dead at the end of the follow-up period.
(17) In the pessimistic case, UK income falls by 3.1%, or £50bn a year.” More business leaders lined up on Thursday to voice their concerns that the UK economy will be a significant casualty of a decision to leave the EU, including Sir Martin Sorrell, chief executive of the advertising firm WPP.
(18) It is a measure of how pessimistic the MPC has become that even a one percentage point lowering in the assumed policy rate profile was deemed insufficient to offset the bad news on demand.
(19) The only thing maintaining the flow of migrants is that nobody reads the Daily Mail until they arrive, and only then do they realise how coarse and brutal our politics have become, how pessimistic.
(20) Women and more pessimistic parents were more distressed.