(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.
Urethra
Definition:
(n.) The canal by which the urine is conducted from the bladder and discharged.
Example Sentences:
(1) In one of them, who sustained a complete membranous disruption 5 weeks ago, transluminal puncture failed because of the movable proximal urethra.
(2) In 36 patients plastic reconstruction of the urinary bladder, sphincter and urethra was performed with local tissues after the Young technic in the G. A. Bairov modification.
(3) Manual compression of the bladder elicited urine leakage from the urethra, and the urethral closure pressure was markedly low.
(4) The acrosin inhibitors are localized in the mucosa cells of the cauda epididymis, the vas deferens, the seminal vesicles, the urethra and distinct glandular units of the prostate.
(5) During unstable detrusor contractions, which even in these healthy women are observed during bladder filling and also during inhibited voidings through the urethra, the contraction is weaker.
(6) We concluded that this case was incidentally successful with good regeneration of urethral mucosa of the anterior urethra by grafting a polytetrafluoroethylene tube.
(7) All the examinees showed no organic changes in the prostate and urethra.
(8) The results are not simply explained by postulating electrically induced closure of the urethra.
(9) Spinning top urethra (STU) is a term used to describe a widened posterior urethra seen mainly in girls.
(10) The dysfunction is due partly to direct trauma of the bladder and urethra.
(11) The two halves of the glans are brought to the midline, thus covering the glanular urethra, and producing a normal appearing glans.
(12) The relaxation effects of prazosin and bunazosin on the distal urethra was weaker than on the proximal urethra.
(13) The majority were investigated at the bedside by taking films and cultures from the cervix and urethra.
(14) After rhizotomy, noradrenaline content in the proximal urethra was significantly increased but there was no change in sensitivity to sympathetic stimulation.
(15) Partial resection of anterior urethra including tumor was performed on December 20, 1983.
(16) This surgical procedure involves removing the penile urethra and creating a permanent stoma between the skin and pelvic urethra.
(17) In 20-35 per cent of short (up to 05 cm) urethral stenosis or cicatricial obliterations of urethra it was found advisable to start the treatment with nonoperative technique.
(18) The sphincter urethrae muscle is located inside the sling of the puborectalis muscle in both sexes, but no muscle fibres connect them to one another.
(19) The complication rate was astonishingly low during IUSC: being only 4.3% (2 male patients, one with stricture of the urethra and epididymitis, one with autonomous dysreflexia with bladder overdistension).
(20) The results appear to offer pharmacological evidence for the recently evolving intricate innervation pattern of the urethra including its distal portion, where the alpha-adrenergic system is believed to be important.