(n.) The male fecundating fluid; semen. See Semen.
(n.) Spermaceti.
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) 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.
(3) Sperm specimens were obtained from 13 men participating in our in vitro fertilization program.
(4) Whether hen's egg yolk can be used as a sperm motility stimulant in the treatment of such conditions as asthenospermia and oligospermia is subjected for further study.
(5) Sperm were examined at 4.5 h, 8 to 9 h, and 24 to 25 h of incubation (37 degrees C, 5% CO2, and 95% air).
(6) Since the advance and return of sperm inside the tubes could facilitate the interaction of sperm with secretions participating in its maturation, the persistent infertility after vasectomy could be related to the contractile alteration that follows the excessive tubal distention.
(7) Peaks in the sperm index were preceded by 6 days with peaks in the serum testosterone concentration.
(8) Those without sperm, or with cloudy fluid, will require vasoepididymostomy under general or epidural anesthesia, which takes 4-6 hr.
(9) A sperm whale myoglobin gene containing multiple unique restriction sites has been constructed in pUC 18 by sequential assembly of chemically synthesized oligonucleotide fragments.
(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) To develop a new immunobead binding test (IBT) procedure that will detect sperm antibody in cervical mucus (CM), especially in very small samples of mucus.
(13) This procedure can quickly provide acrosome-reacted bull sperm for use with various in vitro fertilization procedures and for assessment of male fertility.
(14) Males were then sacrificed and organ weights, testicular spermatid counts, and cauda epididymal sperm count and sperm morphology were obtained.
(15) The freezing procedure increased sperm motility in approximately 30% of samples from both animals.
(16) The time of sperm penetration in the mouse eggs, however, was delayed for one-half to one hour when ejaculated sperm were used.
(17) The epididymis appeared distended but without any visible sperms.
(18) Liposomes of PC10 rapidly destroyed sperm motility while PC12 acrosome-reacted sperm remained motile for several h. Liposomes of PC with greater than or equal to 14-carbon fatty acyl chains had no effect on the AR or motility of sperm.
(19) Additionally, the data demonstrate that hamster sperm can remain viable for several hours after becoming immotile, and that many of the immotile sperm are capable of being reactivated.
(20) Heterogeneity in thiol content of sperm within individual samples was also observed.
Spermatic
Definition:
(a.) Of or pertaining to semen; as, the spermatic fluid, the spermatic vessels, etc.
Example Sentences:
(1) This observation, reinforced by simultaneous determinations of cortisol levels in the internal spermatic and antecubital veins, practically excluded the validity of the theory of adrenal hormonal suppression of testicular tissues.
(2) [5alpha-(3)H]5alpha-Androst-16-en-3-one (5alpha-androstenone) was infused at a constant rate for 180min into the spermatic artery of a sexually mature boar.
(3) Testicular tissue at ectopic site was identified by presence of characteristic signal intensity pattern, mediastinum testis and its location along empty spermatic canal in cases of inguinal testis either singly or in combination.
(4) In group I (torsion maintained), unilateral torsion of the spermatic cord was maintained until the day of sacrifice; in group II (torsion and untwist), torsion of the spermatic cord was maintained for 8 to 12 hours, then the spermatic cord was untwisted and the testis was retained until the day of sacrifice.
(5) A temporary pinching off of the spermatic cord was carried out in 100 male Wistar rats in order to evaluate the effect of a limited period of ischaemia on the testicular parenchyma.
(6) The response of these hormones to LRF infusion was unaltered by spermatic vein ligation, but a significant elevation of the sperm count occurred.
(7) Physical and X-ray examinations showed he had right renal cell carcinoma with tumor thrombosis in the inferior vena cava and the right spermatic vein.
(8) Statistically, no significant difference was found between the volume, motility and morphology of the samples in both groups; however, the concentration of spermatic ATP and acrosin decreased significantly in a group of polyzoospermic patients.
(9) These abnormalities were much more severe in spermatic venous blood.
(10) The first case of carcinosarcoma in the spermatic cord is reported in a 40-year-old man.
(11) On the ground of the results, high ligation of the spermatic vein is regarded as suitable for the surgical management of varicocele in case of renospermatic reflux.
(12) This shows the markedly higher sensitivity of marker evaluation in spermatic cord veins.
(13) Beginning from the 20th week on the nerve fibers appear between spermatic cords.
(14) Spermatic cord involvement was not a prognostically significant finding in patients whose para-aortic region was treated.
(15) These studies have allowed classification of the system of veins involved in the condition into several groups, including involvement of the internal spermatic vein alone, pure cremasteric varicocele, mixed internal spermatic and cremasteric varicosities in one or both systems with valvular incompetence or mere dilatation without apparent incompetence of valves.
(16) The tentative out-patient diagnosis in 8 patients was acute orchiepididymitis and 2 were suspected of having torsion of the spermatic cord.
(17) Evoked responses (ER) to stimulation of spermatic nerve were picked up in conscious monkeys from hypothalamic limbic and cerebral cortical regions.
(18) Antegrade phlebography of the spermatic vein with Valsalva maneuver is used by some workers in preference to the above-mentioned method, but has not yet been fully evaluated.
(19) They ranged from solid, raised serosal growths to delicate papillary structures, and occurred primarily on the tunica vaginalis propria of the testis, epididymis and spermatic cord.
(20) The spermatic artery was identified and preserved in all but 1 varix ligation.