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MALE REPRODUCTIVE SYSTEM

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Presentation on theme: "MALE REPRODUCTIVE SYSTEM"— Presentation transcript:

1 MALE REPRODUCTIVE SYSTEM
CHAPTER 16 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

2 Male Reproductive System Overview
Functions of Male Reproductive System Produce, sustain, and transport sperm Propel sperm during sexual intercourse (copulation) Produce testosterone Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

3 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

4 Male Reproductive Primary Organs
Testicles = male gonads Small ovoid glands Responsible for production of sperm Seminiferous tubules Responsible for secretion of testosterone Scrotum Sac located posterior to the penis Suspended from the perineum Houses the testicles Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

5 Male Reproductive Accessory Organs
Epididymis Tightly coiled tubule that resembles a comma Sperm mature in the epididymis, becoming fertile and motile Mature sperm are stored in lower portion of epididymis Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

6 Male Reproductive Accessory Organs (continued)
Vas Deferens Also called the ductus deferens Straight tube continuous with the epididymis Enlarges to form an sacklike dilation (ampulla) near the prostate gland Merges with the seminal vesicle to form the ejaculatory duct Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

7 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

8 Male Reproductive Accessory Organs (continued)
Seminal Vesicles Secrete a thick, yellowish fluid known as seminal fluid Constitutes a large part of the volume of the semen Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

9 Male Reproductive Accessory Organs (continued)
Prostate Gland Lies just below the urinary bladder Surrounds the base of the urethra as it leaves the bladder Transports thin, milky colored, alkaline secretions that enhance the motility of the sperm Secretion also helps neutralize the secretions within the vagina Muscular action of gland aids in expelling semen from the body Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

10 Male Reproductive Accessory Organs (continued)
Urethra Serves both the urinary system and the male reproductive system Transports urine from the bladder and semen when ejaculated, to the outside of the body Bulbourethral Glands (Cowper’s Glands) Secrete alkaline, mucous-like fluid that provides lubrication during sexual intercourse Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

11 Male Reproductive Accessory Organs (continued)
Penis Male organ of copulation Tip of penis called the glans penis Prepuce or Foreskin Loose, retractable fold of skin that covers the glans penis Urethra extends the length of the penis and ends as an opening at the tip of the glans penis Opening is called the urinary meatus Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

12 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

13 PATHOLOGICAL CONDITIONS
MALE REPRODUCTIVE SYSTEM Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

14 Anorchism Pronounced Defined (an-OR-kizm)
The absence of one or both testicles Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

15 Balanitis Pronounced Defined (bal-ah-NYE-tis)
Inflammation of the glans penis and the mucous membrane beneath it Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

16 Benign Prostatic Hypertrophy
Pronounced (bee-NYEN pross-TAT-ik high-PER-troh-fee) Defined A benign enlargement of the prostate gland, creating pressure on the upper part of the urethra or neck of the bladder, causing obstruction to the flow of urine Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

17 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

18 Carcinoma of The Prostate
Pronounced (car-sin-OH-mah of the PROSS-tayt) Defined Malignant growth within the prostate gland, creating pressure on the upper part of the urethra Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

19 Carcinoma of the Testes
Pronounced (car-sin-OH-mah of the TESS-teez) Defined A malignant tumor of the testicle that appears as a painless lump in the testicle Also called testicular cancer Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

20 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

21 Cryptorchidism Pronounced Defined (kript-OR-kid-izm)
Condition of undescended testicle(s) The absence of one or both testicles from the scrotum Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

22 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

23 Hydrocele Pronounced Defined (high-DROH-seel)
An accumulation of fluid in any saclike cavity or duct, particularly the scrotal sac or along the spermatic cord Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

24 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

25 Epispadias Pronounced Defined (ep-ih-SPAY-dee-as)
A congenital defect in which the urethra opens on the upper side of the penis at some point near the glans Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

26 Hypospadias Pronounced (high-poh-SPAY-dee-as) Defined
Congenital defect in which the urethra opens on the underside of the penis instead of at the end Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

27 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

28 Impotence Pronounced Defined (IM-poh-tens)
Inability of a male to achieve or sustain an erection of the penis Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

29 Inguinal Hernia Pronounced Defined (ING-gwih-nal HER-nee-ah)
Protrusion of a part of the intestine through a weakened spot in the muscles and membranes of the inguinal region of the abdomen Intestine pushes into, and sometimes fills, the entire scrotal sac in the male Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

30 Orchitis Pronounced Defined (or-KIGH-tis)
Inflammation of the testes due to a virus, bacterial infection, or injury Condition may affect one or both testes Typically results from the mumps virus Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

31 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

32 Phimosis Pronounced Defined (fih-MOH-sis)
Tightness of the foreskin (prepuce) of the penis that prevents it from being pulled back Opening of the foreskin narrows due to the tightness and may cause some difficulty with urination Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

33 Prostatitis Pronounced Defined (pross-tah-TYE-tis)
Inflammation of the prostate gland May be acute or chronic May be due to bacterial invasion Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

34 Varicocele Pronounced Defined (VAIR-ih-koh-seel)
An abnormal dilation of the veins of the spermatic cord leading to the testicle Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

35 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

36 DIAGNOSTIC TECHNIQUES AND PROCEDURES
MALE REPRODUCTIVE SYSTEM Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

37 Diagnostic Techniques and Procedures
Castration Surgical removal of the testicles in the male (or the ovaries in the female) Known as an orchidectomy or orchiectomy in the male Known as an oophorectomy in the female Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

38 Diagnostic Techniques and Procedures (continued)
Cystoscopy Process of visualizing the urinary tract through a cystoscope that has been inserted in the urethra Circumcision Surgical procedure in which the foreskin (prepuce) of the penis is removed Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

39 Diagnostic Techniques and Procedures (continued)
Circumcision (A) Before and (B) After the Procedure Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

40 Diagnostic Techniques and Procedures (continued)
FTA-ABS Test Fluorescent Treponemal Antibody-Absorption Test Serological test for syphilis (performed on blood serum) Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

41 Diagnostic Techniques and Procedures (continued)
Intravenous Pyelogram (IVP) Radiographic procedure that provides visualization of the entire urinary tract Contrast dye is injected intravenously and multiple x-ray films are taken as the medium is cleared from the blood by the glomerular filtration of the kidney Also known as intravenous pyelography or excretory urogram Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

42 Diagnostic Techniques and Procedures (continued)
Orchidectomy The surgical removal of a testicle Also called orchiectomy Orchidopexy Surgical fixation of a testicle Also called orchiopexy Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

43 Diagnostic Techniques and Procedures (continued)
Prostate-specific antigen Blood test to screen for prostate cancer Semen Analysis Assessment of a sample of semen for volume, viscosity, sperm count, sperm motility, and percentage of any abnormal sperm Suprapubic Prostatectomy Surgical removal of the prostate gland by making an incision into the abdominal wall, just above the pubis Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

44 Diagnostic Techniques and Procedures (continued)
Transurethral Resection of the Prostate (TUR or TURP) Surgical removal of the prostate gland by inserting a resectoscope through the urethra and into the bladder to remove small pieces of tissue from the prostate Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

45 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

46 Diagnostic Techniques and Procedures (continued)
Vasectomy Surgical cutting and typing of the vas deferens to prevent the passage of sperm, consequently preventing pregnancy Male sterilization Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

47 Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

48 Diagnostic Techniques and Procedures (continued)
VDRL Test Serological test for syphilis widely used to test for primary and secondary syphilis Performed on blood serum VDRL = Venereal Disease Research Laboratory Wet Mount; Wet Prep Microscopic examination of fresh vaginal or male urethral secretions to test for the presence of living organisms Copyright © 2003 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED

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