Reproduction - Human Reproduction and Development and Male...

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Unformatted text preview: Human Reproduction and Development and Male Reproductive System System Male Reproductive System Seminal Fluid Seminal Vesicles Seminal Prostate Gland Bulbourethral Glands Testis blood vessels & nerves seminiferous tubules lobule septum scrotum vas deferens epididymis rete testes testis The Penis skin layers urethra connective tissue urethral opening foreskin glans penis Biology 100 Cross Section Biology Penis Human Biology erectile tissue skin urethra connective tissue Spermatogenesi Spermatogenesi s Seminiferous Tubules Tubules Seminiferous Tubules Spermatogenesi Spermatogenesi s Mature Spermatozoa Mature acrosome nucleus head tail mitochondria Hormonal Control of Spermatogenesi Spermatogenesi s Hormones Involved in Spermatogenesis Spermatogenesis Gonadotropin Releasing Hormone (GnRH) Follicle Stimulating Hormone (FSH) Interstitial Cell Stimulating Hormone (ICSH) Testosterone Inhibin Hormonal Control Hormonal of Spermatogenesis Spermatogenesis Hypothalamus Hypothalamus GnRH Anterior Pituitary ICSH FSH Hormonal Control Hormonal of Spermatogenesis Spermatogenesis ICSH Interstitial Cells Interstitial Testosterone Hormonal Control Hormonal of Spermatogenesis Spermatogenesis FSH Testosterone Sertoli Cells Sertoli Spermatogenesis Inhibin Hormonal Control of Hormonal Spermatogenesis Spermatogenesis Feedback Inhibition Feedback Inhibin Acts on anterior pituitary Inhibits FSH production Testosterone Acts on hypothalamus Inhibits GnRH production Some Other Effects of Testosterone Testosterone muscle and bone growth facial and pubic hair growth thickening of vocal cords growth of pharyngeal cartilage hair follicle effects stimulates sebaceous glands Circumcision Circumcision shaft sutures corona foreskin glans penis urethral opening Vasectomy Female Reproductive System System Biology 100 Biology Human Biology uterine tube ovary uterus bladder urethra clitoris l. minora l. majora vaginal orifice fimbriae cervix vagina egg Biology 100 Biology uterine tube Human Biology ovary endometrium ovary uterus cervix vagina Oogenesis in the Ovary Oogenesis Oogenesis Oogenesis Ovum Hormones Involved in the Female Reproductive Cycle Female Gonadotropin Releasing Hormone (GnRH) Follicle Stimulating Hormone (FSH) Luteinizing Hormone (LH) Estrogen Progesterone Female Hormonal Cycle Hypothalamus Hypothalamus GnRH Anterior Pituitary LH FSH Female Hormonal Female Cycle Cycle FSH Follicle Cells Follicle LH Estrogen The Uterine Cycle Cycle Some Other Effects of Estrogen Estrogen breast development external genitalia growth bone growth fat deposition Human Development Human Stages of Development Stages Pre-Embryonic Development Fertilization Cleavage Embryonic Development Gastrulation Organogenesis Fetal Development Fertilizatio Fertilizatio n sperm head Biology 100 Biology Fertilization Human Biology Fertilization Fertilization first polar body metaphase of second meiotic division Fertilizatio n sperm pronucleus polar bodies oocyte pronucleus Cleavage Cleavage Implantation Implantation Relative Blood Levels human chorionic gonadotropin estroge n progesteron e Fertilizatio Deliver Gastrulation Gastrulation Primary Germ Layers Ectoderm Endoderm Mesoderm Organogenesis Organogenesis Differentiation of primary Differentiation germ layers into tissues and organs. and The Yolk Sac The The Yolk Sac The Yolk Sac Embryonic Development Embryonic Embryonic Development Embryonic Fetal Fetal Development Fetal Fetal Development The Placenta Placenta The Placenta Placenta Stages of Childbirth or Labor Labor Dilation Stage Expulsion Stage Placental Stage Dilation Stage Dilation Expulsion Stage Stage Placental Stage Stage Hormones Involved in Labor Labor Estrogen Fetal Oxytocin Placental Prostaglandins Maternal Oxytocin Relaxin rib fat The Breast lobe lactiferous sinus nipple ducts muscle Hormones Involved in Lactation Lactation Estrogen & Progesterone Prolactin Human Chorionic Human Somatomammotropin Somatomammotropin Prolactin Releasing Hormone Oxytocin Birth Control Methods • Abstinence • Sterilization - Vasectomy - Tubal ligation • Hormonal Methods - Oral contraceptives - Emergency contraception - Norplant - Dep-provera - Vaginal ring Birth Control Methods • Barrier Methods - Condom - Vaginal pouch - Diaphragm • Spermicides • Periodic Abstinence - Rhythm Method • Abortion Life’s Greatest Miracle • http://www.pbs.org/wgbh/nova/ miracle/program.html INQUIRY 1. Where are sperm cells formed within the testes? 2. What portion of the sperm contains 23 chromosomes? 3. What 3 accessory glands produce seminal fluid? 4. What is the term for the primary human sex organs? 5. What structure is formed following ovulation? 6. List several effective means for preventing conception. ...
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