Chapter 28, part 1SECTION 28-1 The Reproductive SystemLearning ObjectivesSlide 4Reproductive SystemSECTION 28-1 Introduction to the Reproductive SystemReproductive system includes:Males and FemalesSECTION 28-2 The Reproductive System of the MaleMale Reproductive SystemFigure 28.1 The Male Reproductive SystemThe testesFigure 28.2 The Descent of the TestesSlide 14Figure 28.3 The Male Reproductive System in Anterior ViewMale AnatomySperm productionFigure 28.4 The Structure of the TestesCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Fundamentals of Anatomy & PhysiologySIXTH EDITIONFrederic H. MartiniPowerPoint® Lecture Slide Presentation prepared by Dr. Kathleen A. Ireland, Biology Instructor, Seabury Hall, Maui, HawaiiChapter 28, part 1The Reproductive SystemCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsSECTION 28-1 The Reproductive SystemCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsLearning Objectives•Specify the components of the reproductive system, and summarize their functions•Describe the components of the male and female reproductive systems•Outline the processes of meiosis and gametogenesis in both sexes•Explain the roles played by the male reproductive tract and accessory glands in the functional maturation, nourishment, storage, and transport of spermatozoaCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsLearning Objectives•Summarize the anatomical, physiological, and hormonal aspects of the male and female reproductive cycles•Discuss the physiology of sexual intercourseCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsReproductive System•Reproductive system functions in gamete•Production•Storage•Nourishment•Transport•Fertilization •Fusion of male and female gametes to form a zygoteCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsSECTION 28-1 Introduction to the Reproductive SystemCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsReproductive system includes:•Gonads (testes, ovaries)•Ducts•Accessory glands and organs•External genitaliaCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsMales and Females•Males•Testes produce spermatozoa•Expelled from body in semen during ejaculation•Females•Ovaries produce oocytes•Immature ovum•Travels along uterine tube toward uterus•Vagina connects uterus with exterior of bodyCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsSECTION 28-2 The Reproductive System of the MaleCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsMale Reproductive System•Pathway of spermatozoa•Epididymis•Ductus deferens•Ejaculatory duct•Accessory organs•Seminal vesicles•Prostate gland•Bulbourethral glands•Scrotal sac encloses testes•PenisCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsFigure 28.1 The Male Reproductive SystemFigure 28.1Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings•Descent of the testes•Movement of testes through inguinal canal into scrotum•Occurs during fetal development•Testes remain connected to internal structures•Spermatic cordsThe testesCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsFigure 28.2 The Descent of the TestesFigure 28.2aCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsFigure 28.2 The Descent of the TestesFigure 28.2bCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsFigure 28.3Figure 28.3 The Male Reproductive System in Anterior ViewCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings•Musculature of scrotal sac•Dartos muscle wrinkles scrotal sac•Cremaster muscle pulls sac close to body•Testes anatomy•Tunica albuginea surrounds testis•Septa extend from tunica albuginea to epididymus•LobulesMale AnatomyCopyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings•In seminiferous tubules•Interstitial cells between seminiferous tubules•Secrete sex hormones•Sperm pass through rete testis•Efferent ductules connect rete testis to epididymusSperm productionCopyright © 2004 Pearson Education, Inc., publishing as Benjamin CummingsFigure 28.4 The Structure of the TestesFigure