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The Male Reproductive System

The Male Reproductive System. The Male Reproductive System. Objectives. Objectives. After studying this chapter, you will be able to:. Name the parts of the male reproductive system and discuss the function of each part

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The Male Reproductive System

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  1. The Male Reproductive System The Male Reproductive System

  2. Objectives Objectives After studying this chapter, you will be able to: • Name the parts of the male reproductive system and discuss the function of each part • Define combining forms used in building words that relate to the male reproductive system • Identify the meaning of related abbreviations • Name the common diagnoses, clinical procedures, and laboratory tests used in treating the male reproductive system

  3. Objectives Part 2 Objectives Cont'd • List and define the major pathological conditions of the male reproductive system • Explain the meaning of surgical terms related to the male reproductive system • Recognize common pharmacological agents used in treating the male reproductive system

  4. Sex Cells Structure and Function The Male Reproductive System • The sex cells (spermatozoa) or sperm are produced in the male gonads or testes. • Scrotum is a sac located outside the body that houses the testes. • Spermatogenesis requires a lower temperature than body temperature for safe development of sperm.

  5. Testosterone Structure and Function The Male Reproductive System • Testosterone is the main male hormone • Epididymis is located at the top of each testes which are a group of ducts that store sperm • Glands • .Prostate .Cowpers

  6. Structure and Function Structure and Function The Male Reproductive System Urinary bladder Ureter Symphysis pubis Vas deferens Seminal vesicle Ejaculatory duct Prostate gland Urethra Bulbourethral gland Penis Epididymis Glans penis Prepuce Testes Scrotum

  7. Spermatozoon Structure and Function Head Spermatozoon • Microscopic cell • Consists of a head and tail (flagellum) • Genetic material (chromosomes) are located in the head • Motility occurs by means of the flagellum Midpiece Tail Flagellum NOTE: Identical twins result from one ovum splitting after being fertilized by a single sperm. Fraternal twins are the result of two sperm fertilizing two ova.

  8. Sperm Pathway Seminal vesicles Testes Ejaculatory duct Sperm Prostate gland Epididymis Urethra Vas deferens Structure and Function The Sperm Pathway meatus

  9. Combining Forms & Abbreviations (andr) men glans penis epididymis testes prostate gland sperm Combining Forms and Abbreviations Combining Form Meaning andr (o) balan (o) epididym (o) orch (o) prostat (o) sperm (o)

  10. Combining Forms & Abbreviations (AIH) artificial insemination homologous benign prostatic hypertrophy penile erectile dysfunction prostate-specific antigen suprapubic prostatectomy transurethral resection of the prostate Combining Forms and Abbreviations Abbreviation Meaning AIH BPH PED PSA SPP TURP

  11. Male Examination Diagnostic, Procedural, and Laboratory Terms Male Examination • Digital rectal exam (DRE) checks for rectal and prostate abnormalities • Prostate-specific antigen (PSA) is a blood test to screen for prostate cancer • Semen analysis determines quality and quantity of sperm

  12. X-Ray and Imaging Diagnostic, Procedural, and Laboratory Terms X-ray and Imaging Procedures Urethrogram • X-ray of the urethra and prostate Sonogram • May be used during needle biopsies of the testicles or prostrate NOTE: Hormone replacement is given to males who have a deficiency of male hormones

  13. Developmental Defects Pathological Terms cryptorchism anorchism Developmental Defects hypospadias epispadias hydrocele varicocele aspermia

  14. Pathological Terms Peyronie’s disease Prostatitis • curvature of the penis due to a hardening in the interior penis structure • inflammation of the prostate Balanitis Seminoma • inflammation of the glans penis • common tumor of the testicles Epididymitis Chancroids • venereal sore caused by a bacterial infection • inflammation of the epididymis Pathological Terms Inflammatory Conditions Other Conditions

  15. Surgical Terms Surgical Terms The most common surgery of the male reproductive system is circumcision. Other Procedures • Epididymectomy • Prostatectomy • Orchiectomy • Vasectomy NOTE: The reversing of a vasectomy is called a vasovasostomy

  16. Pharmacology Pharmacology Medications are given for the following reasons: • Hormone replacement therapy • To restore sexual function • To build muscle mass

  17. Apply Your Knowledge Apply Your Knowledge Harry, age 57 will have a bilateral orchidectomy. Which of the following effects from this surgery should be expected? A. Failure to urinate B. Failure to produce sperm C. Increased sperm retention Answer: B. Failure to produce sperm

  18. Apply Your Knowledge Part 2 Apply Your Knowledge Marsha and Bill have just given birth to a stillborn child with numerous genetic defects. After several tests and counseling, the couple is informed that the sperm was defective. Which part of the sperm most likely was faulty? A. head B. tail C. flagellum Answer: A. head

  19. Apply Your Knowledge Part 3 Apply Your Knowledge Starting with the production of sperm in the testes, trace the path that sperm will travel by filling in the blanks. testes meatus sperm urethra epididymis prostate gland vas deferens seminal vesicles ejaculatory duct

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