(v. i.) To unite in sexual intercourse; to come together in the act of generation.
Example Sentences:
(1) Using allozymes as the genetic probe, data are presented which show that wild Drosophila buzzatii females and males engaged in copulation mate at random.
(2) The inhibition is desappears if placed under copulation conditions during a full cycle.
(3) Circular cuts which surgically isolated the medial basal hypothalamus (MBH) from the remainder of the brain did not prevent copulation 4 to 24 h later, but did block reflex ovulation.
(4) Eight rats of the PCPA group and only two of the vehicle, started to copulate.
(5) Incubation of normal pig lymphocytes in serum samples collected from 10 sows immediately before, and at daily intervals after mating with a vasectomized boar significantly elevated the rosette inhibition titre (RIT) of a standard antilymphocyte serum in 6 animals on the first but not on the 2nd and 3rd day after copulation.
(6) Duration of copulation in mixed combinations of D. athabasca is determined by the male.
(7) In Rhodotorula, peroxisomes are characterized by the same "bean" configuration and paired arrangement imitating "copulation" as mitocondria.
(8) On average, copulation lasted 27.2 s and was completed in flight.
(9) The surface membrane enzyme activity disappears from the zygote shortly after copulation and at the same time lysosome-like bodies start to appear in the cytoplasm.
(10) There was no seasonal fluctuation in copulative activity.
(11) Since courtship song increases a females' receptivity to copulation, the frequency of mating within a short observation period was used as a measure of the ability of mutant females to distinguish between singing males and males that were unable to sing.
(12) Copulations with other adults males also occurred during all cycle phases, but were most frequent peri-ovulatory.
(13) Copulation occurred more often on the occasion of the first attempt by the male.
(14) In the second experiment, intact females copulated twice with a male: once when they were able to hear and once when they were temporarily deafened with a medical ear mold.
(15) The gene products are secreted into the male duct and transferred to the female copulant during copulation.
(16) Pregnant C3H mice were exposed to teratogenic doses of cyclophosphamide (CPA), on the 11th day after copulation.
(17) Thiazide-type diuretics also produce erectile dysfunction in rats and interfere with normal copulation.
(18) Morphine administered rats showed a loss of weight, hypertrophy of the adrenals, decreased weight of accessory sex organs, low sperm count, and decreased copulation rate.
(19) La Crosse virus was detected in the bursa of females after induced copulation, and disseminated infection was shown to occur occasionally.
(20) Mangabeys spend 47% of activity observations feeding, 27% moving, and the remainder of the activity observations is accounted for by grooming, playing, vocalizing, copulating, etc.
Impotence
Definition:
(n.) Alt. of Impotency
Example Sentences:
(1) Sexual impotence, the most important lasting complication of total prostatectomy, is present in 23-47% of patients after radiotherapy.
(2) Whether out of fear, indifference or a sense of impotence, the general population has learned to turn away, like commuters speeding by on the freeways to the suburbs, unseeingly passing over the squalor.
(3) Further vegetative signs are impotence and a loss of thermoregulatoric sweat.
(4) The irony of this type of self-manipulation is that ultimately the child, or adult, finds himself again burdened by impotence, though it is the impotence of guilt rather than that of shame.
(5) Psychiatry is criticized for imprecise diagnosis, conceptual vagaries, jargon, therapeutic impotence and class bias.
(6) Adverse effects are mostly those related to hormone withdrawal, namely, impotence, infertility, and lassitude.
(7) Concurrent sphincteric incontinence and organic impotence are not uncommon; they can be caused by many congenital and acquired conditions.
(8) Decreased libido and impotence were more common in patients given primidone.
(9) The cases with 'Dhat' syndrome or with impotence scored maximally on neuroticism and depression scales.
(10) The results demonstrated a good ability of the KCII to accurately identify impotent patients (on the basis of history) who would have positive or negative signs of hormonal factor or neurological factor confirmed by laboratory results or physical examination.
(11) The widely used mineralocorticoid antagonist spironolactone has antiandrogenic activity that may contribute to its side effects of decreased libido, impotence and gynecomastia.
(12) Among 1,236 consecutive impotent patients investigated at our center 5.3% had serum levels of prolactin greater than normal.
(13) Hyperprolactinemia is a recognized cause of impotence.
(14) There is a perfectly illogical explanation for it; polio drops are meant to make us impotent and these programmes are run by the same people who managed to locate Osama bin Laden by running another scam vaccination campaign.
(15) Preoperative evaluation of causes of impotence is particularly important.
(16) This 41-year-old man became impotent and developed decreased pain sensation in his hands, and then sensory loss and muscle wasting in his lower legs, and cardiomyopathy appeared.
(17) Oral prostaglandin E1 was suggested as an additional or alternative therapy in the management of psychogenic impotence.
(18) Of interest to the developing area of diurnal penile tumescence for the etiological diagnosis of impotence was the observation that a significant percentage (37 per cent) of normal subjects were unable to achieve a full erection during visual sexual stimulation under laboratory conditions.
(19) Atherosclerotic vascular changes play an important predisposing role in the development of impotence.
(20) However, most of the patients had been impotent for several years and their successful adaptation may have limited the success of psychotherapy.