1. Longitudinal section of a testicle showing the seminiferous tubules and the convoluted epididymis.

2. Sperm develop in the seminiferous tubules of the testis. The spermatids are embedded in the Sertoli cells with their tails projecting into the lumen of the tubule.

3. Structural abnormalities of seminiferous tubule or destruction of BTB can induce HBV DNA transfection in the whole seminiferous epithelium of rat testicle, and cause higher transfection efficiency.

4. After the flesh that carry Gao and seminiferous duct ligate but short-term be in local the phlogistic sex that forms an asepsis sex area, cause ache.

5. Vasoligation : Cut off the seminiferous duct that carries conduit as spermatozoon(), prevented undoubtedly be pregnant.

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

7. Ejaculation canal is the continuance after abdomen of seminiferous duct crock and spermatic canal are confluent .

8. Artery has spermary artery, seminiferous duct artery and artery of the flesh that carry Gao.

9. Conclusion:LBP could decrease the structural damage of seminiferous tubule caused by higher temperature culture.

10. The sperm cells which are constantly being produced in the seminiferous tubules are moved into collection tubes which lie on the surface of each testicle.

11. Inadequate energy or excessive protein in the diet was shown to decrease the relative growth rate of the testis of male broilers and inhibit the development of the seminiferous tubule.

12. The development of the male germ cells in different seminiferous tubules was different.

13. The testis at spermatocyte phase develops, and is translucent, and the spermatogenetic cells in seminiferous tubule are primarily composed of primary spermatocytes and secondary spermatocytes.

14. The sperm originate in gonial cells ( spermatogonia ) in the walls of seminiferous tubules.

15. By Day 42 after treatment, changes in litter size, sperm numbers and the structure of seminiferous tubules in these animals diminished.

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16. Testes from 18-day-old embryonic chickens were used to isolate seminiferous epithelial cells by sequential two-step enzyme digestion with collagenase and trypsin.

17. Most of the spermatogenic cells were still necrotic and seminiferous tubules still had hollow cross 1 month after injection in male rats.

18. There have been many animal expriments on male reproductive toxicity of methoxychlor, mainly involving in changes in testicle, epididymis and seminiferous epithelium.

19. Objective:To report 7 cases of male infertility with calcified seminiferous tubules, and discuss its pathology, imaging features, and common complications.

20. Seminiferous duct between ureter and bladder to in the middle of go row, dilate of its extreme expand forms abdomen of seminiferous duct crock, be in charge of with seminal vesicle finally confluent .

21. When sexual intercourse, sympathetic releases a large number of going to armour adrenalin, quicken epididymis rear to be carried to the spermatozoon of seminiferous duct.

22. The testis at mature sperm phase get to the biggest in volume, and is purple, and the spermatogenetic cells in seminiferous tubule are almost composed of mature sperms.

23. Methods By using two staining methods-the PAS(Periodic Acid Schiff) technique and the HE technique-we observed the morphological changes in the seminiferous epithelia of specific stages.

24. The testis at deteriorated phase reduces in volume, and is translucent , and the mature sperms in seminiferous tubule have almost been extruded.

25. LEYDIG CELLS: Androgen ( testosterone ) producing cells lying outside the seminiferous tubules within the testes.

26. Leydig cell distributes in the connective tissue of the Seminiferous and its weight is only 2 percent of the whole testis, but it synthesizes 95 percent of the whole testosterone in human body.