Exercises: 10

1. The male sex cell, the spermatozoon is microscopic.

2. A relatively uncomplicated cell the sperm is composed of a head region, and a tail

region consisting of a flagellum.

3. Ejection of sperm and fluid from the male urethra is called ejaculation.

4. Twins resulting from the fertilization of separate ova by separate sperm cells are

called fraternal twins.

5. Identical twins result from fertilization of a single egg cell by a single sperm.

6. The male reproductive system secretes a hormone called testosterone.

7. The male gonad is the testis.

8. A sac enclosing the testes on the outside of the body is called the scrotum.

9. The maturation and development of sperm is called spermatogenesis.

10. Perineum is the region lying between the anus and the scrotum.

11. The interior of a testis is composed of a large mass of narrow, coiled tubules

called the seminiferous tubules.

12. The sperm cells move through and collect in ducts that lead to a large tube called

the epididymis.

13. The vas deferens is about 2 feet long and carries the sperm up into the pelvic

region.

14. During a vasectomy procedure, the urologist cuts and ties off each vas deferens.

15. The prostate gland lies at the region where the vas deferens enters the urethra.

16. Semen is a combination of fluid and spermatozoa that is ejected from the body

through the urethra.

17. Cowper glands lying below the prostate gland also secrete fluid into the

urethra.

18. The penis is composed of erectile tissue and at its tip expands to form a soft,

sensitive region called the glans penis.

19. Erectile dysfunction is the inability of the adult male to achieve an erection.

20. In Cryptorchism, one or both the testicles do not descend by the time of birth

into the scrotal sac from the abdominal cavity.

21. Lack of formation of ejaculation of semen is Aspermia.

22. Lack of spermatozoa in the semen is called Azoospermia.

23. Sac of clear fluid in the scrotum is Hydrocele.

24. Twisting of the spermatic cord is testicular torsion.

25. Enlarged, dilated veins near the testicle are Varicocele.

26. Prostatic hyperplasia is a benign growth of cells within the prostate gland.

27. Hypospadias is a congenital abnormality in which the male urethral opening is

on the undersurface on the penis.

28. Phimosis is narrowing of the opening of the prepuce over the glans penis.

29. Surgical excision of testicles is called castration.

30. Surgical procedure to remove the prepuce of the penis is called circumcision.

31. Excision of benign Prostatic hyperplasia using a resectoscope through the urethra

is transurethral resection of the prostate.

32. Inflammation of the testes is orchitis.

33. Inflammation of the tube that carries the spermatozoa to the vas deferens is

epididymitis.

34. Inflammation of the prostate gland is prostatitis.

35. Fixation of Undescended testicle is called Orchiopexy.

36. Inflammation of the glans penis is Balanitis.

37. Condition of scanty sperm is called oligospermia.

38. Sexually transmitted infection with herpes virus is herpes genitalis.

39. Sexually transmitted infection with primary stage marked by chancre is syphilis.

40. STD caused by berry-shaped bacteria and marked by inflammation of genital

mucosa and mucopurulent discharge is gonorrhea.