What's the difference between copulation and procreation?

Copulation


Definition:

  • (n.) The act of coupling or joining; union; conjunction.
  • (n.) The coming together of male and female in the act of generation; sexual union; coition.

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.

Procreation


Definition:

  • (n.) The act of begetting; generation and production of young.

Example Sentences:

  • (1) The relation between genetic counseling and the procreation sphere among the studied families is presented.
  • (2) Four children have sickle-cell anaemia, two sickle-cell haemoglobin C disease, one has sickle-cell thalassaemia, and one is asymptomatic haemoglobin C thalassaemia.It is emphasized that the contribution that adult sickle-cell disease patients make, through procreation, to the persistence of the S gene may be greater than is normally supposed, and that this contribution may soon outstrip that made by balanced polymorphism through falciparum malaria.
  • (3) (Like humans, they have sex for pleasure as well as for procreation.)
  • (4) The traditional philosophy that all sexual intercourse should serve potential procreation is fading.
  • (5) Separation themes, however, were more frequent during the CR than the EN period, suggesting that concerns over separation from siblings reflect a developmental process which might be related to bonding with the family of procreation.
  • (6) In a retrospective study, we analysed nine hundred and twenty-two pregnancies obtained using medically assisted procreation between May 1982 and May 1990.
  • (7) Faced with a rapidly ageing society, skyrocketing housing prices, low birth rates and a population that works the longest hours in the world, this country of 5.3 million people has made various attempts over the years to encourage its citizens to marry and procreate, from government-funded speed-dating schemes to educational flyers on how to flirt.
  • (8) "Marriage is the only union enabling procreation," Croatian cardinal Josip Bozanic said in his message to followers.
  • (9) But only half of the women do not keep this special method of procreation secret.
  • (10) The right time for medically assisted procreation is obvious in patients with tubal obstruction but in the others it varies according to age, duration of infertility and previous treatments.
  • (11) Also, because the dosage required is comparatively low, patients over procreative age could be included in the program of treatment with immunosuppressants.
  • (12) The position is mainly based on the importance of procreation for individuals.
  • (13) After stating that abortion is not to be considered a contraceptive method, and that, on the other hand, responsible procreation is to be encouraged, and information and services of contraception obtained in maternal-infant health centers, the law states the modalities for voluntary interruption of pregnancy.
  • (14) The contractual view of procreative freedom perpetuates and assumes a traditional patriarchal family model.
  • (15) The law would not give automatic joint parenting rights to gay couples who had a child together, nor would it allow medically assisted procreation or IVF.
  • (16) Evaluation of the boys included testicular biopsy, semen analyses and the ability to procreate.
  • (17) A number of psychological determinants are important for the possibility of genetic investigations in the affected families, and the decision about procreation may be influenced by a number of determinants other than the result of genetic counsel.
  • (18) Then she cites--and briefly comments upon--some court cases brought by parents of genetically defective children against their physicians for allegedly failing to predict or to diagnose genetic defects in those children in time for the parents to exercise any procreative options such as sterilization, contraception, or abortion.
  • (19) Whereas the prophylaxis has been a centralized social-hygienic request, the eugenics has been orientated on the transfer of the principle of selection and the regulations of the human procreation.
  • (20) On the basis of 300 andrological expertises made over the last 40 years to answer the question as to procreative capacity and other andrological problems, a position is taken up towards the expertise in general and to a number of characteristic data.