(v. t.) To throw out suddenly and swiftly, as if a dart; to dart; to eject.
(v. t.) To throw out, as an exclamation; to utter by a brief and sudden impulse; as, to ejaculate a prayer.
(v. i.) To utter ejaculations; to make short and hasty exclamations.
Example Sentences:
(1) A study revealed that the percentage of active sperm in semen 30 seconds after ejaculation was 10.3% when a nonoxynol 9 latex condom was used as opposed to 55.9% in a nonspermicidal condom.
(2) Local application of 8-OH-DPAT (0-5 micrograms) into the median raphe nucleus, facilitated male rat sexual behavior, as evidenced by a decrease in number of intromissions preceding ejaculation and in time to ejaculation.
(3) The sensitivity of ejaculated spermatozoa to ouabain (in inhibitor of Na+-K+ ATPase) was determined on 4 consecutive weeks in November, March-April, and July-August.
(4) One ejaculation followed by daily contact with soiled bedding taken from a male's cage did not increase pregnancy rates.
(5) The time of sperm penetration in the mouse eggs, however, was delayed for one-half to one hour when ejaculated sperm were used.
(6) The hymen was not penetrated as a result of intromission and therefore the site of ejaculation would have been in the urogenital canal of the 4 primigravid elephants.
(7) For each ejaculate the ratio of X- and Y-bearing sperm was analysed before and after sephadex filtration using three different methodologies: sperm chromosome analysis after fusion of human sperm with hamster oocytes, deoxyribonucleic acid analysis using the Y-preferential probe pS4 and the fluorescent Y-body test.
(8) Two ejaculates were harvested by electroejaculation on each of 3 d per week for 14 wk from 14, 12- to 24-mo-old Holstein bulls.
(9) The group of animals with sexual disorders included boars with inferior ejaculate quality and low fertility (24 animals) and cases with disturbed sexual potency (33 boars).
(10) A multicenter study of electro-ejaculation is currently in process in the USA, but as these are limited experiments, the preliminary results do not permit to draw any conclusion.
(11) Relaxin in seminal fluid was determined radioimmunologically in 238 andrological patients with various ejaculate qualities.
(12) Malnourished male rats ejaculated less frequently than controls in tests with sexually receptive female rats but this difference disappeared with repeated testing.
(13) The impulse installment of chemoluminescence increased during the time of storage of the ejaculate.
(14) Sperm progression into the filter reflected the motility of the ejaculate.
(15) Out of the 2550 ejaculates taken from 42 breeding bulls within 12 months, 685, i.e.
(16) Among 124 cases with premature ejaculation, 13 (10%) mild HPRL were found.
(17) On the other hand, the values of the instantaneous frequency, duration, and rhythmicity of the copulatory thrusting movements performed during mounts, intromissions or ejaculations did not differ significantly from the values obtained under saline treatment.
(18) After standardized observation of mating behavior culminating in ejaculation and a sperm plug, females were allowed to produce litters in undisturbed conditions.
(19) The technical strategies to yield higher density of progressively motile sperm were found to be centrifugal concentration of the sperm from whole ejaculate prior to the swimming down, and subsequent re-centrifugation of the separated sperm after the swimming down.
(20) The addition of 19-hydroxy prostaglandin (PG) E to ejaculates positively stimulated sperm motility and sperm penetration capacity.
Ejaculatory
Definition:
(a.) Casting or throwing out; fitted to eject; as, ejaculatory vessels.
(a.) Suddenly darted out; uttered in short sentences; as, an ejaculatory prayer or petition.
(a.) Sudden; hasty.
Example Sentences:
(1) Sexual dysfunctions which impair coital ability, especially ejaculatory difficulties in the male and genital atrophy and loss of vaginal lubrication in the female, are frequent.
(2) and the fluid ejected from the ejaculatory groove region (about 0.2 ml.).
(3) This association supports the concept that reflux of urine into the ejaculatory ducts may occur and produce epididymitis.
(4) No differences in anxiety were found between the group of animals without sexual activity and the group of animals tested after five intromissions of the first ejaculatory series.
(5) Multiple regression results indicate that ejaculatory dysfunction, a side effect of the retroperitoneal lymph node dissection, is significantly associated with distress about both infertility and sexual impairment.
(6) After PCPA treatment, however, the intromittive and ejaculatory capacity of all experienced animals improved significantly.
(7) At the adult stage, the enzyme is restricted to the ejaculatory duct.
(8) Prenatally-treated rats proved less active than controls in the open field, performed better in passive avoidance retention (both preweaning and postweaning), and had a shorter post-ejaculatory interval in the male copulatory test.
(9) A male-sterile mutant, ms(1)7, of Drosophila melanogaster is defective in post-ejaculatory sperm function.
(10) The reported case shows that as a result of its antihistaminic and anticholinergic properties, brompheniramine can be successfully used in the treatment of men with diabetic ejaculatory sterility, particularly in patients with incomplete emission failure.
(11) The latter differe from alpha-adrenoreceptors of the ejaculatory duct of rats by a high sensitivity to the blocking influence of some neuroleptics--haloperidol, trifluoperazine, chlorpromazine, pA2 for which (8.11--8.64) is of the same range as pA2 for alpha-adrenolytic drugs (7.76--8.46).
(12) The anatomical structure of the ejaculatory groove region (EGR) of the drake was investigated macro- and microscopically in connection with its function.
(13) A 43-year-old man who experienced profound dose-related erectile and ejaculatory dysfunction without loss of libido on three separate antidepressants and on the anorectic agent mazindol is described.
(14) In order to clarify the central mechanism of clonidine (CL)-induced sexual dysfunction such as erectile and ejaculatory disturbances, we examined the effects of intracerebroventricularly (i.c.v.)
(15) Transcription was strongly induced in response to mating and is strictly confined to the ejaculatory duct of adult males.
(16) Herein we report on a case of adenomatoid tumor apparently originating from the ejaculatory duct which to our knowledge has not been reported previously.
(17) In 21 cases, obstruction was located at the level of the tail of the epididymis; in 2 cases ejaculatory duct was obstructed; and in 1 case the injected dye was arrested at the level of internal inguinal ring, at the site of previous hernia operation.
(18) It is characterised by possessing spines at the basal margin of oral sucker; testes, postequatorial, subsymmetrical; vitellaria lateral to ovary in middle of hindbody, confluent in postovarian region and reaching to level of testes; ovary flattened; genital pore antero-lateral to acetabulum; seminal vesicle large and ejaculatory duct long.
(19) The ejaculatory response and the 5-hydroxytryptamine (5-HT) behavioural syndrome induced by 5-methoxy-N,N-dimethyltryptamine (5-MeODMT) (3 mg kg-1 i.p.)
(20) Several abdomino-Pelvic surgical procedures can cause ejaculatory failure or impotence.