(n.) The final adult, and usually winged, state of an insect. See Illust. of Ant-lion, and Army worm.
Example Sentences:
(1) The mutation rate (the frequency of dominant lethals) in oocytes depends on the development temperature and not on the temperature life conditions of imago.
(2) Measurements were made at the imaginal molt and on fed and crowded imagos at 10, 20 and 30 post-imaginal days.
(3) The few alluring aspect of these patients would signify the derogatory imago of a destroyed body, that does not be the mediator of the relationship to the other.
(4) Early stages of differentiation of the oocytes and nurse cells are comparatively studied in the polytrophic ovarioles in larvae, pupae and imago of the butterfly Laspeyresia pomonella and in the telotrophic ovarioles in larvae and imago of the bug Eurigaster integriceps.
(5) Under experimental conditions P. simulii and P. debaisieuxi cause mortality of larvae (68 to 87%) and decrease in the emergence of imago (5 to 19.6%).
(6) The comparison of females' age with the time of mass egg laying and the data on the developmental cycle rate (from egg to imago) suggests that in Mangyshlak fleas of X. skrjabini have four generations a year.
(7) The Dox-A1 is the only one from the group of genes coding for phenol oxidase in Drosophila which is expressed at the imago stage.
(8) Such cultural medium provides a rapid development of larvae and their survival, high stable weight of pupae, high fecundity and viability of imago.
(9) Meeting the 20-year-old Selena Gomez , it's easy to draw a connection between the bad girls' pupa-to-imago transformation and the cast members' desire to cross the difficult threshold between teenage superstardom and the adult careers they surely now crave.
(10) The changes in numbers of giant forms in the development course of populations in the caterpillars, pupae and imagos body of both species were studied.
(11) aegypti sensitivity to bird malaria agent P. gallinaceum by sublethal concentrations of herbicides (ordram and propanide) and fungicides (fundozol and blue vitriol) introduced into the larvae habitation medium or into the imago feed.
(12) The quantities of PEB and hPEB increase and reach the constant level at 6-10 day of imago development.
(13) Increased numbers and distribution of nuclear inclusions were correlated with aging in Drosophila imagoes.
(14) The relations between host and parasite are explained as well as the development from third-instar larvae into the puparaium and then into the imago.
(15) The increase in the mutation rate was induced by leponex (1.37% in adults and 1.21% in larvae), difenisid (1.18% in adults), two forms of the same drug eunoktin and radedorm (about 1.6% in adults), safrasin (1.06% in imago), saroten (1,36% in imago), phenobarbital (2.02% in imago).
(16) Experiments with nymphs of Ixodes persulcatus and Dermacentor marginatus have shown that the rate and degree of engorgement, dropping off from the mouse, metamorphosis longevity and weight of emerging imagoes change under plant odour influence.
(17) The effects of temperature on the aging process have been investigated in approximately 3500 imagoes of male Drosophila melanogaster (Oregon R), with focus on the following parameters: mortality, O2 utilization, vitality (as expressed by negative geotaxis and mating) and fine structural alterations in the abdominal organs and brain.
(18) Under laboratory conditions at 20 to 21 degrees C young imagos of C. wagneri proceed quickly to feeding and reproduction.
(19) Iontophoretically applied glutamate distinguished two types (depolarization and hyperpolarization) of receptors in the imago muscle.
(20) The orientational behaviour of the imago of ticks in natural conditions is based on the optimal using of relatively primitive eyes with the development of a specific mechanism of orientation.
Metamorphism
Definition:
(n.) The state or quality of being metamorphic; the process by which the material of rock masses has been more or less recrystallized by heat, pressure, etc., as in the change of sedimentary limestone to marble.
Example Sentences:
(1) Quantitative and morphological data were obtained on developing olfactory axons in the African clawed frog, Xenopus laevis, during late premetamorphosis (stages 48-54), prometamorphosis (stages 55-57), and halfway through metamorphic climax (stages 58-62).
(2) (1) Control tadpoles did not undergo metamorphic change at any of the temperatures tested.
(3) There was a clear asynchrony in innervation, with projections to some terminal zones appearing before projections to others; projections to all terminal zones were present by late metamorphic stages.
(4) The general nerve terminal morphology and pattern of accumulation of acetylcholine receptors at cutaneous pectoris neuromuscular junctions were similar to those of the adult throughout metamorphic climax except that they still contained more than one motor axon.
(5) In contrast, tadpoles allowed to survive up to 6 months showed no loss of motoneurons if they did not enter metamorphic climax.
(6) The association becomes looser at the metamorphic stage and, occasionally, small breaks in the basement membrane are seen.
(7) Large adult animals have statoconia larger than those in early post-metamorphic animals which have just started producing multiple stones.
(8) The possible significance of decline in serum T4 levels to the metamorphic event in lamprey is discussed.
(9) The characteristics of the nuclear T3 receptors present in red blood cells (RBCs) of Rana catesbeiana tadpoles undergoing metamorphic climax have been investigated with a T3 saturation technique.
(10) The inhibition of unusually high endogenous corticosteroid levels in metamorphic larvae with metyrapone restores suppressor function.
(11) The retinotectal connexions of double nasal (NN), double temporal (TT) and double ventral (VV) eyes in juvenile Xenopus were mapped after post-metamorphic removal of the rostral, caudal, medial or lateral tectal halves with the subsequent cutting of the optic nerve of the operated eye.
(12) However, unlike the crossed fibers of the pre-metamorphic dermis, there is no preferred orientation to the fibers in either layer of the post-metamorphic dermis.
(13) Using selected cDNAs, RNA dot blot analysis of liver mRNA from tadpoles at different stages of metamorphosis showed that the level of one thyroid hormone-enhanced mRNA increased during late prometamorphosis and metamorphic climax.
(14) This also permitted the authors to note the absence of any myelofibrosis or metamorphic neo-osteogenesis.
(15) Coal dust of the IV stage of metamorphism was found to have more marked fibrogenic properties.
(16) The post-hatching development can be divided into four phases: planktonic, metamorphic, juvenile, and adult.
(17) They manifested themselves in disorders of the mitotic regimen and intercellular interactions, in atypical proliferations and primary glandular metamorphism of regenerating cells.
(18) Thyroids were taken from subjects representing metamorphic stages I (premetamorphic larvae), II (onset of climax), and VII (completion of gill resorption), as well as from captivity control larvae.
(19) (2) When tadpoles were kept in thyroxine solutions at 5 degrees, there were no changes in developmental morphology, and tadpoles kept at 18 and 20 degrees showed significant metamorphic changes in 5 to 6 days, but there was a high mortality at the higher T4 concentrations.
(20) The result is that four factors metamorphic rock, zinc, copper, chromium are suspected factors.