(a.) Producing little or no crop; barren; unfruitful; unproductive; not fertile; as, sterile land; a sterile desert; a sterile year.
(a.) Incapable of reproduction; unfitted for reproduction of offspring; not able to germinate or bear fruit; unfruitful; as, a sterile flower, which bears only stamens.
(a.) Free from reproductive spores or germs; as, a sterile fluid.
(a.) Fig.: Barren of ideas; destitute of sentiment; as, a sterile production or author.
Example Sentences:
(1) Theoretical findings on sterilization and disinfection measures are useless for the dental practice if their efficiency is put into question due to insufficient consideration of the special conditions of dental treatment.
(2) Sterile, pruritic papules and papulopustules that formed annular rings developed on the back of a 58-year-old woman.
(3) Gamma-irradiated splenic homogenates of armadillos infected with M. leprae proved sterile by conventional tests and media.
(4) All of the rabbits immunized with FCA developed sterile subcutaneous abscesses.
(5) The disappearance of the herbicide, Avadex (40% diallate), from five agricultural soils (differing in either pH, carbon content, or nitrogen content), incubated under sterile and non-sterile conditions, was followed for a period of 20 weeks.
(6) During periods of wet steam it was impossible to maintain consistent sterility of the mouse pellets even using a cycle of 126 degrees C for 60 minutes.
(7) Following the hypothesis that infertile patients may present emotional conflicts with regard to the wish of having a child, psychodynamic interviews were carried out with 116 infertile couples concomitantly with their first consultation at the Sterility Department.
(8) Sterilization rates at the time of abortions increased with increasing age and with increasing gravidity, but the total rates, adjusted for age and gravidity of patients, have changed little in the past 15 years.
(9) It remains to be seen, whether the small number and sterility causes were coincidental or manifest themselves in future, especially, if the sterility concerned can be classified as idiopathic.
(10) The results of the study suggest that perhaps tobramycin of cefotaxime-impregnated PMMA beads would produce local levels of antibiotic high enough to sterilize a given dead space for a period of 28 days.
(11) A relationship between the level of sterility induced by juvenoids and reductions in nymph-to-adult ratios permitted formulation of a biological action threshold for regulating treatment.
(12) Using sterile conditions, antibodies to G were incubated with a suspension of transformed cells at 4 degrees C, unbound antibodies were then removed, and the cells were incubated with the immunoabsorbent (3 micron magnetic beads; J. Ugelstad et al.
(13) There is a certain degree of swagger, a sudden interruption of panache, as Alan Moore enters the rather sterile Waterstones office where he has agreed to speak to me.
(14) The antibacterial property was evaluated by the width and sterility of the clear zone in the bacterial culture plates.
(15) Three mouse models of male-limited, hybrid-type sterility are available: the sterility controlled by the T-t genetic complex, the hybrid sterility system including the Hst-1 gene, and the sterility of carriers of various chromosomal anomalies.
(16) The main cause of sterility was complete tubal occlusion in 65.6% of the cases due to a high incidence of pelvic inflammatory diseases in the investigated patients.
(17) Highly educated women are less likely than those with little education to elect sterilizations and more likely to rely on barrier methods.
(18) Among 137 consecutive patients who had a sterile body site cultured for mycobacteria within 3 months of their first AIDS-defining episode of Pneumocystis carinii pneumonia, median survival was significantly shorter in those with disseminated MAC infection (107 days; 95% confidence interval [CI] 55-179) than those with negative cultures (275 days; 95% CI 230-318; P less than .01), even after controlling for age, absolute lymphocyte count, and hemoglobin concentration.
(19) Factors of negligible importance prognostically were: complete sterilization at mammary and axillary level after radiotherapy, persistence of florid cancer tissue at mammary level and histiocytosis of the axillary lymph nodes.
(20) The teflon dish is re-usable, resistant to sterilization procedures, and easy to assemble.
Unfertile
Definition:
(a.) Not fertile; infertile; barren.
Example Sentences:
(1) The number of ovarian balls rises to about 6300 per worm, with the maximum being attained more rapidly in unfertilized than in fertilized females.
(2) By the incubation, a protein (molecular weight 180,000 in H. pulcherrimus and 178,000 in A. crassispina) most abundant in unfertilized eggs decreased, while proteins (molecular weight 61,000, 72,000, 94,000, 114,000 in H. pulcherrimus and 56,000, 70,000, 92,000, 112,000 in A. crassispina) dominant in developed embryos increased.
(3) Chromosome separation at anaphase is not blocked when these antibodies are microinjected into unfertilized oocytes naturally arrested at second meiotic metaphase, into eggs at first mitotic metaphase, or into immature oocytes at first meiotic metaphase.
(4) Dramatic decrease from 99% to 17% in the absolute value of transmembrane potential for both fertilized and unfertilized eggs was observed after ultrasonic treatment.
(5) (3H) leucine was injected into unfertilized eggs, fertilized eggs, and Stage 2-12 embryos of X. laevis.
(6) These channels are already found in unfertilized egg cells in many animals.
(7) Thus, under these conditions, exposure of unfertilized mouse ova to VS1 and cooling to 0 degree C did not interfere with in vitro fertilization and development of embryos.
(8) Actinomycin D is excluded from unfertilized eggs and developing embryos of the sea urchin Arbacia punctulata until the blastula hatches.
(9) The proportion of thiol to total thiol plus disulphide in acid extracts from sea-urchin eggs varies from less than 20% in mature unfertilized eggs to 59% just before cleavage.
(10) The transport of methionine into unfertilized and fertilized mouse eggs appears to involve active transport mechanisms with similar Vmax, Km, substrate specificity and independence from Na+.
(11) The addition of antibiotics removes inhibition of the hexokinase, glucose-6-phosphate dehydrogenase and glucose-6-phosphatase activities by the hormone in the unfertilized eggs as well.
(12) Currents, induced by changing the voltage in steps from -80 to -30 mV, or to 0 mV, had maximum amplitudes which ranged from 400 to 1200 pA in the unfertilized egg and 100 to 1300 pA in the zygote.
(13) Numbers of unfertilized oocytes and embryos recovered from the left uterine horn at 48 hours after mating.
(14) The unfertilized eggs of two genotypically different females had nearly identical levels of DNA polymerase.
(15) Parasites that have lost their coats and remain unfertilized are surrounded with granulocytes and destroyed by encapsulation.
(16) During 1988, the spatial variability of the natural gamma-emitting radionuclides (238U, 232Th, and 40K) and the artificial radionuclide 137Cs were studied in three near-level unfertilized fields in Saskatchewan, Canada.
(17) Total tract apparent digestibility of N was less for full-head than for late-boot bromegrass (48 vs 64%; P less than .01) and was greater for N-fertilized than for unfertilized bromegrass (60 vs 52%, P less than .01).
(18) Remarkably mouse sperm do not appear to have the centrosomal antigen and instead centrosomes are found in the unfertilized oocyte.
(19) In the unfertilized oocyte, polarity was observed both in the plasma membrane stain and in the pattern formed by the subcellular structures.
(20) At 15 degrees C, the transit times for the three lysates were: unfertilized egg, 40 min; 30-min zygotes and hatched blastula lysates, 20 min.