(a.) Producing fruit or vegetation in abundance; fruitful; able to produce abundantly; prolific; fecund; productive; rich; inventive; as, fertile land or fields; a fertile mind or imagination.
(a.) Capable of producing fruit; fruit-bearing; as, fertile flowers.
(a.) Containing pollen; -- said of anthers.
(a.) produced in abundance; plenteous; ample.
Example Sentences:
(1) Here we report that sperm from psr males fertilizes eggs, but that the paternal chromosomes are subsequently condensed into a chromatin mass before the first mitotic division of the egg and do not participate in further divisions.
(2) Homozygotes have sparse greasy fur and lower viability and fertility than normal littermates.
(3) Sperm specimens were obtained from 13 men participating in our in vitro fertilization program.
(4) Since 1987, it has become possible to obtain immature ova from the living animal and to let them mature, fertilize and develop into embryos capable of transplantation outside the body.
(5) Patient or fetal cord serum is commonly used as a protein supplement to culture media used in in-vitro fertilization (IVF).
(6) From the biochemical markers in follicular fluid, cyclic adenosine monophosphate has a distinct predictive value in regard to pregnancy in in vitro fertilization-embryo transfer cycles.
(7) In the triploids, the 40 female chromosomes present (mouse, n = 20) were derived from a single diploid pronucleus formed after the extrusion of a first polar body, and following the monospermic fertilization of primary oocytes.
(8) If Cory Bernardi wasn’t currently in a period of radio silence as he contemplates his immediate political future he’d be all over this too, mining the Trumpocalypse – or in our domestic context, mining the fertile political fault line where Coalition support intersects with One Nation support.
(9) The objective of this study was to examine the effects of different culture media used for maturation of bovine oocytes on in vitro embryo development following in vitro fertilization.
(10) Major limitations of the conventional sperm penetration assay are the inability to assess several aspects of sperm function (zona binding and penetration) and the absence of human ovulatory products known to influence fertilization.
(11) Couples applying to in vitro fertilization were admitted into this project when the sperm concentration was greater than 20 million per mL and motility greater than 30 per cent.
(12) This procedure can quickly provide acrosome-reacted bull sperm for use with various in vitro fertilization procedures and for assessment of male fertility.
(13) Plakoglobin is present in the fertilized egg, increases in abundance by neurula stage, then declines at the tailbud and tadpole stages.
(14) Fertilization of golden hamster eggs was blocked both in vitro and in vivo by antibodies produced in rabbits against specific hamster ovarian antigens (HOA).
(15) 97 measurements in 54 pregnancies between day 39 and 80 after successful fertilization has been performed.
(16) These findings suggest that testicular vein ligation for varicoceles does not improve fertility.
(17) After 37 days of treatment with (-)-gossypol, only 2 out of 5 males were fertile, and a further loss of fertility was apparent during the next cohabitation period.
(18) Higher enrollment rates were associated with lower fertility in every model in which prior fertility was controlled.
(19) A comparative evaluation of these data suggest that hormone independent cells are present in the cervical crypts of late menopause women and that a cyclic change of hormone dependent cells may occur in fertile women, analogous to the cyclic changes of endometrial mucosa.
(20) In study III the effect on fertility of nutrition, weight and body condition was studied.
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.