(v. t.) The young birds hatched at one time; a hatch; as, a brood of chickens.
(v. t.) The young from the same dam, whether produced at the same time or not; young children of the same mother, especially if nearly of the same age; offspring; progeny; as, a woman with a brood of children.
(v. t.) That which is bred or produced; breed; species.
(v. t.) Heavy waste in tin and copper ores.
(a.) Sitting or inclined to sit on eggs.
(a.) Kept for breeding from; as, a brood mare; brood stock; having young; as, a brood sow.
(v. i.) To sit on and cover eggs, as a fowl, for the purpose of warming them and hatching the young; or to sit over and cover young, as a hen her chickens, in order to warm and protect them; hence, to sit quietly, as if brooding.
(v. i.) To have the mind dwell continuously or moodily on a subject; to think long and anxiously; to be in a state of gloomy, serious thought; -- usually followed by over or on; as, to brood over misfortunes.
(v. t.) To sit over, cover, and cherish; as, a hen broods her chickens.
(v. t.) To cherish with care.
(v. t.) To think anxiously or moodily upon.
Example Sentences:
(1) Some people are lucky enough to have someone to look after them,” Leigh broods.
(2) Under resting conditions thoracic skin temperature (Tths) and metabolic heat production (M) were significantly higher in broody than in non-broody hens, indicating a permanently increased conductance of the brood patch.
(3) As well as George Dyer, there was the murderer Perry Smith in the Truman Capote story Infamous, the hot-headed mobster child-killer in Road To Perdition, the brooding Ted Hughes in Gwyneth Paltrow’s Sylvia biopic and a belligerent Mossad assassin in Steven Spielberg’s Munich.
(4) Testosterone levels dropped at the onset of incubation and remained low through the brooding period.
(5) Starting small, with oddly tweaked vocal samples and ominous-sounding piano, the first half is brilliantly brooding, to the point where the first chorus of “I love these streets but they weren’t meant for me to walk” arrives at the 45-second mark just as all the music drops away completely.
(6) The other half was brooded on either new or reused litter without paper.
(7) These changes suggest that all the food was not being digested by the adult birds during brooding but was almost exclusively regurgitated to feed the squabs.
(8) The strains differ in their effects on the sex ratio and size of another female's brood in the same host.
(9) From the beginning, her father was determined that his brood – Hodge is one of five – be fully integrated.
(10) The X-ray component of dominant lethality in brood 1, representing mostly mature spermatozoa, was negative, indicating a lower than expected lethality induced by X-irradiation in the presence of P element mobility.
(11) The effects of tritoqualine and alpha-hydrazinohistidine injected into eggs on the 16th, 17th or 18th day of chick embryo age on hatching time, histamine level and diamine oxidase (DAO) activity in brood's tissues were also examined.
(12) T levels increased slightly toward the end of the brooding phase.
(13) The three brood Ceriodaphnia dubia test was carried out three nonconsecutive times, each period being separated by the previous one by three weeks.
(14) Brooding neonates at 26.7 C for 3 days in Trials 3 and 4 resulted in consistently lower body weights and gain and higher serum corticosterone, thyroxine, total protein, albumin, and globulin.
(15) We took a couple of days to brood, and then I spoke to Justin and said I thought I should give in, if I didn't have to have anything to do with the winner.
(16) A bookish teenager regarded as the smartest of the Murdoch brood, James endured an awkward adolescence in the public eye and was famously photographed asleep on a sofa at a press conference while working as a 15-year-old intern at his father's old paper, the Sydney Mirror, a picture the rival Sydney Morning Herald gleefully ran on its front page the next day.
(17) We have examined the effects of relaxing each of these assumptions and obtained the following results: (1) When broods mature asynchronously the optimum sex ratio is considerably more female biased than the Hamiltonian prediction.
(18) Q has upped his gadget game Facebook Twitter Pinterest The brooding and sombre Skyfall scored a few points for post-modern playfulness via its introductory scene for the new Q, in which Ben Whishaw might as well have offered Bond a couple of Netflix vouchers and a year’s subscription to Cosmopolitan for all the wow factor his proffered “gadgets” achieved.
(19) One-d-old chicks placed in corners of a 29 x 14 m brooding area dispersed evenly over the whole area in a period of 48 h. 3.
(20) In an attempt to identify a minimum prophylactic dose of BCG which would not induce granulomas, cotton rats were treated intraperitoneally with various doses of BCG (10(1) to 10(7) colony-forming units [CFU]) and then inoculated intraperitoneally with one brood capsule of the parasite.
Larvae
Definition:
(pl. ) of Larva
Example Sentences:
(1) Larvae from fresh water eggs, cultured in fresh water and 'normal' laboratory cultures reached 50% infectivity in 3-5 days, losing potential infectivity in 11-15 days post-hatching.
(2) After treatment of larvae of instar 1 at preimago stages about 77% of the insects died.
(3) A total of 3,532 females of various engorged weights was collected from all calves, resulting in a mean female tick yield of 1.78% based on the number of larvae used for all infestations.
(4) Similar concentrations of free ecdysteroids were recorded in adults and larvae, although the two life cycle stages differed in their ratio of ecdysone: 20-hydroxyecdysone.
(5) Larvae of both mutants also excrete 3H-3-hydroxykynurenine and 3H-kynurenine rapidly, which probably accounts for the normal levels of kynurenine during larval life.
(6) Guinea pigs exposed to 200 and 400 H. truncatum larvae elicited the greatest change in feeding efficiency during the fourth infestation.
(7) In cultures of medium ML-15 containing a feeder layer of Dog Sarcoma (DS) cells larvae successfully moulted and showed a small but significant increase in length.
(8) The test is based on the ability of larvae to freely migrate through selected mesh sizes of nylon sieves and the reduced ability of larvae to migrate after preincubation with, and in the presence of, substances that inhibit or reduce larval motility.
(9) This study provides evidence for a maternal yolk factor associated with increased tolerance and resistance of larvae to copper.
(10) Human activity not only increases risk, but influences control by killing mosquito larvae, killing adult mosquitos or preventing mosquitos from feeding.
(11) Infected ticks were reared from larvae feeding on each of 11 rabbits taken from the same site.
(12) Histopathology examination from the margin of the ulcerative area confirmed the diagnosis of basal cell carcinoma, which was infested secondarily with larvae of flies.
(13) Tolypocladium tundrense and T. terricola UV-irradiated conidia exhibited acute toxicity to Aedes aegypti larvae in concentrations of 5 x 10(5) and 5 x 10(6) ml-1, respectively.
(14) These products, as well as several synthetic intermediates, were evaluated for antifilarial activity against Molinema dessetae either in vivo in its natural host, the rodent Proechimys oris, or in vitro by a new test using cultures of the infective larvae.
(15) However, mosquitoes infected with more than 4 larvae became more active than uninfected mosquitoes 8 days after infection.
(16) Metabolism of carbaryl by the fat body is affected by the age of the larva, the pH of the incubation medium, and the concentration of magnesium chloride in the incubation medium.
(17) The mutant larvae are apparently normal, but they harbor serious defects in the organs containing proliferating cells of both somatic and germ line origins.
(18) Changes in haemolymph juvenile hormone (JH) concentrations of larvae of the southwestern corn borer, Diatraea grandiosella, were used to estimate the activity of the corpora allata.
(19) Statistical analysis has shown the following: a) the growth inhibition, which is especially distinct in autumn-spring generation, takes place in the Ist instar larvae 1.76-2.20 mm long inhabiting the walls of the nasal cavity and concha (their average body length at hatching is 1.08 plus or minus 0.004 mm); the inhibition is associated with interpopulation relations and apparently does not depend on the date of its beginning and can last from 6 to 7 months; c) after the growth resumption the development continues uninterruptedly up to the moulting; the inhibition is also possible at the beginning of the 2nd instar and then the development proceeds without any intervals up to the complete maturation of larvae.
(20) It is present throughout development and is as abundant in embryos as in larvae and adult flies.