Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống
1
/ 301 trang
THÔNG TIN TÀI LIỆU
Thông tin cơ bản
Định dạng
Số trang
301
Dung lượng
3,84 MB
Nội dung
[...]...Contents 1 Brief Historical Preview of Reproductive Science 1 2 Basic Information on MaleReproductive Anatomy and Physiology 5 3 Endocrinal aspect of MaleReproductive System 19 4 Erection, Orgasm, and Ejaculation 39 5 Management of Erectile Dysfunction 61 6 Basic Information on Male Infertility and Working up Patients 97 7... www.ornl.gov/hgmis Endocrinal Aspects of MaleReproductive System 19 Endocrinal Aspects of CHAPTER MaleReproductive System 3 INTRODUCTION Male reproduction is a complex synergy of several factors with successive functioning of the central nervous system (CNS), endocrine glands and the male sex gland So, to understand the basis of endocrinal aspect of the reproduction in male, roles of the hypothalamus, anterior... 1687.7 François de 2 MaleReproductiveDysfunction la Peyronie, surgeon to Louis XIV of France, described the disease in details in 1743 In the 18th century, John Hunter’s (1728-1793) use of insemination with semen from a husband with hypospadias, now known as AIH (artificial insemination with husband’s semen), stands out as an outstanding achievement in the treatment of malereproductivedysfunction John... biology of male infertility Arch Androl 2003 Jan-Feb; 49(1): 19-27 hfeng@nshs.edu 34 Turek PJ, Pera RA Current and future genetic screening for male infertility Urol Clin North Am 2002 Nov; 29(4): 767-92 mrvas@itsa.ucsf.edu 35 Diemer T, Desjardins C Developmental and genetic disorders in spermatogenesis Hum Reprod Update 1999; 5:120-140 tdiemer@uic.edu Male Reproductive Anatomy and Physiology 5 Male Reproductive. .. the embryo is a male (XY chromosomes), then testosterone will stimulate the wolffian duct to develop male sex organs, and the mullerian duct will get degraded If the embryo is female (XX), no testosterone is made The wolffian duct will get degraded, and the mullerian duct will develop into female sex organs The female clitoris is the remnant of the wolffian duct If the embryo is a male (XY), but there... 129 8 Other Investigations of a case of Male Infertility 153 9 Varicocele and Male Infertility 167 10 Other causes of Male Infertility 202 11 Medical and Non-Surgical Management in Male Infertility 231 12 Role of Surgery in Male Infertility 246 13 Role of Assisted Reproduction in Male Infertility 257 14 Psychological aspect... begins to be elaborated by the male testes at about the seventh week of embryonic life Indeed, one of the major functional differences between the female and male sex chromosomes is that the male chromosome causes the newly developing genital ridge to secrete testosterone, whereas the female chromosome causes this ridge to secrete estrogens Injection of large quantities of male sex hormone into pregnant... pregnant females or of males with outsized phalluses are used as fertility fetishes and symbols in Africa, Central America, Indonesia and Polynesia History of endocrinology still quotes the folkloric practices of Hungarian peasant women, who bite their own placenta or “afterbirth” for enhancing their fertility, very similar to Chinese women,2 who are still given dried placenta 4 MaleReproductive Dysfunction. .. prime interest in this respect.1,2 For the completion of a successful malereproductive process, the hypothalamic-pituitary neurohormonal factors regulate the production of male hormones in the testis, which is also the seat of production and development of the sperms.1 A major share of the control of sexual functions in both male and female begins with the secretion of gonadotrophin-releasing hormone... FSH with additional role of growth hormone of pituitary origin c Adrenal cortex, thyroid and perhaps obscure role of the pineal gland 20 MaleReproductiveDysfunction Interplay of different stimulating and inhibitory factors involving the endocrine aspect of malereproductive process actually determine the optimum hormonal milieu Whenever any hormonal secretion reaches a critical level, automatic negative .