1. As we have seen, each cell of the human body save the ovum and spermatozoon normally contains 46 chromosomes.

2. During the 1840s, Albert von Koelliker showed that spermatozoa are not parasites, but products of cells in the testis.

3. Thus, whereas spermatocytes produce four functional haploid spermatozoa, primary oocytes eventually produce one functional haploid egg plus two polar bodies.

4. The epididymides were removed for spermatozoa count.

5. Spermatozoa and teratospermia were counted.

6. Spermatozoa not only mature but also are stored in epididymis.

7. Jen Han-lang, hospital researcher, separates spermatozoa in a bacteria-free operating environment.

8. These maturation changes still occur even when spermatozoa are confined to caput epididymidis by ligatures.

9. Spermatozoa are seen in approximately 1 % of prostate biopsies ( unpublished personal obsecration ).

10. Could the wave function of his spermatozoa fertilise every lady whose slit he is penetrating, so that he could fertilise multiple women simultaneously?

11. Several suitable target antigens from Spermatozoa, ovum and reproductive hormones have been used for the vaccine.

12. The spermatozoa protected by glycerol usually displayed the following morphological changes after thawing: the head plasma membrane ruptured, the midpiece swollen and the mitochondria exposed.

13. Sun, 27 March 1998 Men are equally uninterested in and unwilling to take responsibility for their spermatozoa.

14. It is also suggested that improving the motility of spermatozoa from caput epididymis is the way to improve their fusibility with egg plasma membrane.

15. Thus in the bull the capacity for erection of the penis precedes the appearance of spermatozoa.

16. A modified sperm swin-up technique for increasing the retrieval rate of motile spermatozoa is introduced and its effective factors is analyzed simutlaneously.

17. With cysteamine pre - treatment, decreased yields of dominant lethals were obtained in spermatocytes, spermatids and in spermatozoa.

18. Objective: To analyze the numerical aberration of chromosome X, Y and 18 in the spermatozoa of asthenospermia patients by triple-color fluorescence in situ hybridization.

19. Many studies have been performed to compare all kinds of diluents and to improve the quality of preserved spermatozoa in order to increase farrowing rate during artificial insemination.

20. Methods: The number of X and Y chromosomes of the ejaculated spermatozoa from the patient with mosaic 46, XY/47, XXY was analysed by X/Y dual fluorescence in-situ hybridization(FISH).

21. Though histiny peephole gave him privileged access to a never-before-seen microscopicuniverse, he spent an enormous amount of time looking at spermatozoa, asthey're now called.

22. Dizygotic twins arise from two separate eggs fertilized by two spermatozoa.

23. Methods By a retrospective survey on data in our sperm bank, we studied influences of total motile spermatozoa number(A, B grade) on AID pregnancy rate.

24. The result showed that vitamin B complex can improve post-thaw motility and protect the integrity of spermatozoa membrane.

25. Objective : To study the chromosomal aneuploid incidence of severe oligozoospermia spermatozoa.

26. Expression of Adrenomedullin in Human Oviduct, Its Regulation by the Hormonal Cycle and Contact with Spermatozoa, and Its Effect on Ciliary Beat Frequency of the Oviductal Epithelium.

27. In the study, the characteristics and influencing factors of exogenous DNA uptake by spermatozoa were tested using digoxigenin (DIG)labeled DNA as trace.http://

28. The present invention relates to biopolymer particles for preservation of spermatozoa, wherein the spermatozoa are embedded within the biopolymer particle.

29. Objective: To compare the differences of expressions of adenylyl cyclase (AC) and phosphodiesterase (PDE) in ejaculated spermatozoa between healthy volunteers and the patients with asthenospermia.

30. The spermatogonia in the seminiferous tubules of testis are on four different stages, including primary spermatocytes, secondary spermatocytes, spermatoon, and spermatozoa .

31. The spermatozoa of Muscovy Drakes consist of two parts: head and tail.

32. The sex of birds is determined by chromosomes ZZ in the male or ZW in the female in the nature, so the sex chromosome of spermatozoa is Z and that of ovum is Z or W.

33. CONCLUSION(S): The morphologic difference between the homologous chromosomes 9 may have been responsible for an error in crossing-over, leading to aberrant spermatozoa and consequently to infertility.

34. The specimen was sent for pathology and spermatocele with spermatozoa was noted.

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35. Results: Round-headed spermatozoa were lack of acrosome and the acrosin activity was low. Meanwhile, there was an additional band located in the Y chromosomal short arm.

36. The Spermicidal effect of sasanquasaponin in vitro on spermatozoa of mice and human was determined and compared with that of methylphenoxypolyethanol (MPPE) and phenylmercuric acetate (PMA).

37. KF-950 was investigated for in vitro spermicidal activity and assessed for inhibition ability of the proteolytic activity of acrosin by the gelatin substrate film method on rat spermatozoa.

38. The spermicidal effect of sasanquasaponin on spermatozoa of mice can be reduced significantly by human semen.

39. Objective To investigate the relationship between the expression of mannose ligand receptor(MR) and the physiological state of human spermatozoa in fertilization.

40. We studied the ultrastructure of epididymal spermatozoa viviparous skinks, Mabuya multifasciata and Sphenomorphus indicus.

41. Methods:Collect spermatozoa of 10 severe oligozoospermic patients and 5 normospermic patients, three-color Fluorescence in situ Hybridization was performed to detect the chromosomal aneuploid.

42. Objective To investigate the fertilization ability of spermatozoa derived from neonatal mouse testes grafted into immunodeficient mice by intracytoplasmic sperm injection(ICSI).

43. It is well known that the best contraceptive method for male is to disturb spermatozoa maturation and the function of epididymis.