cyclic event that normally releases one egg each month‚ accompanied by cyclic changes in hormone secretion‚ and cyclic changes in histological structure of the ovaries and uterus. Egg development resumes in adolescence. Embryonic development of ovary: female germ cells arise from yolk sac‚ colonize gonadal ridges the first 5 to 6 weeks of development‚ differentiate into oogonia and multiply until the fifth month‚ transform into primary oocytes: early meiosis I‚ most degenerate (atresia) by the time the
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Male Reproductive System There are three major purposes of the male reproductive system: production of spermatozoa‚ secretion of sex hormones and to transport spermatozoa from male to the female. The organs in this system are mainly external and consist of a penis and the scrotum‚ which contains and protects testes. Because the testes require lower temperature than the rest of the body‚ the scrotum regulates temperature for normal spermatozoa development. When the testes need to cool down‚ the cremaster
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Equine Reproductive System Tim Heckart In exploring the reproductive system of the horse we must first understand that this system is made up of physical structures and hormonal or chemical secretions‚ actions‚ and reactions. While the physical structures are readily identifiable‚ the hormonal systems are a bit more obscure. Some of these hormonal actions and reactions are still not fully understood today. We begin with the delivery of a Filly. At this stage in her life she already has all
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Essay Reproductive system The reproductive system is a system of organs within an organism which work together for the purpose of reproduction. Hormones and pheromones are also important accessories to the reproductive system. The major organ of the reproductive system includes penis and vulva as well as a number of internal organs including the testicles and ovaries. Most other vertebrate animals have generally similar reproductive systems consisting of gonads‚ ducts‚ and openings. Human reproduction
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developing at their age. These hormones that contribute to sexual emotions are estrogen or testosterone and are produced in their corresponding reproductive organ‚ such as the ovaries or testes. Then I would go into depth about each reproductive
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The reproductive system is a collection of internal and external organs (male and female) that work together for the purpose of recreating. Many scientists argue that the reproductive system is the most important system in the body. Without the reproductive system we would not be able to reproduce. 1 For the male reproductive system there are two major parts: testes‚ where the sperm is produced and the penis. In males the penis and urethra belong to both the urinary system and reproductive system
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What is the Male Reproductive System? The male reproductive system is responsible for the production‚ maintaining‚ and transporting sperm and semen‚ to discharge sperm within the female reproductive tract during sex‚ to produce and secrete male sex hormones responsible for maintaining the male reproductive system. What happens if you have disorders such as: EDD‚ BPH‚ Testicular Cancer‚ or Infertility? Erectile dysfunction is defined as the consistent inability to achieve or maintain an erection
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Top of Form . The Male Reproductive System > The Male Reproductive System: Introduction The male reproductive system is composed of the testes‚ genital ducts‚ accessory glands‚ and penis (Figure 21–1). The dual function of the testis is to produce spermatozoa and hormones. The genital ducts and accessory glands produce secretions that‚ aided by smooth muscle contractions‚ conduct spermatozoa toward the exterior. These secretions also provide nutrients for spermatozoa while
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Management of Patients With Female Reproductive Disorders Pelvic Organ Prolapse • Weakening of vaginal walls allows the pelvic organs to descend and protrude into the vaginal canal – Risk factors: age‚ parity‚ delivery of large babies‚ possible hormone deficiency – Cystocele - downward displacement of bladder – Rectocele - rectum pouches upward and pushes the posterior vaginal wall forward – Signs/symptoms: pelvic pressure and urinary problems (Cysto)‚ rectal pressure and bowel problems
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Discuss the Male Reproductive System The reproductive system is questionably the body system that is the most important influence on life as we know it. It is the w ay in which we procreate and ensure our existence as a species. However‚ the penis is only one part of the male reproductive system‚ which constitutes of a series responsible for generating‚ storing‚ and transporting the genetic material contained in the sperm cells. The main organs include: testicles (or testes)‚ the epididymides
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