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Chapter 6 Opener Human blastocyst (at right) emerging from its zona pelucida

Chapter 6 Opener Human blastocyst (at right) emerging from its zona pelucida. Figure 6.1 An unfertilized ovum. Figure 6.2 Maturation of sperm. Figure 6.2 Maturation of sperm. Figure 6.3 Fertilization and production of the conceptus. Figure 6.3 Fertilization and production of the conceptus.

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Chapter 6 Opener Human blastocyst (at right) emerging from its zona pelucida

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  1. Chapter 6 Opener Human blastocyst (at right) emerging from its zona pelucida

  2. Figure 6.1An unfertilized ovum

  3. Figure 6.2Maturation of sperm

  4. Figure 6.2Maturation of sperm

  5. Figure 6.3Fertilization and production of the conceptus

  6. Figure 6.3Fertilization and production of the conceptus

  7. Figure 6.4Development of the human conceptus

  8. Figure 6.5Blastocyst in the process of implanting itself

  9. Figure 6.6Stages of prenatal development

  10. Figure 6.7Alfred Jost’s experiments on rabbits

  11. Figure 6.8The genetic basis of sex determination

  12. Box6.1Biology of Sex: Atypical Development: Chromosomal Anomalies

  13. Figure 6.9Sex determination

  14. Box 6.2Biology of Sex: Atypical Development: Gonadal Intersexuality

  15. Figure 6.10 Migrating germ cells

  16. Figure 6.11Development of the male and female reproductive tracts

  17. Figure 6.11Development of the male and female reproductive tracts

  18. Box 6.3 Biology of Sex: Atypical Development: Androgen Insensitivity Syndrome

  19. Figure 6.12Development of the male and female external genitalia

  20. Figure 6.12Development of the male and female external genitalia(Part 1)

  21. Figure 6.12Development of the male and female external genitalia(Part 2)

  22. Figure 6.12Development of the male and female external genitalia(Part 3)

  23. Box 6.4 Biology of Sex: Atypical Development: Congenital Adrenal Hyperplasia

  24. Figure 6.13Descent of the testes

  25. Figure 6.13Descent of the testes

  26. Figure 6.13Descent of the testes(Part 1)

  27. Figure 6.13Descent of the testes(Part 2)

  28. Box 6.5 Biology of Sex: Atypical Development: 5α-Reductase Deficiency

  29. Box 6.6 Biology of Sex: Atypical Development: Hypospadias and Micropenis

  30. Figure 6.14The third interstitial nucleus of the anterior hypothalamus (INAH3)

  31. Figure 6.15Sexual differentiation in the hypothalamus

  32. Figure 6.15Sexual differentiation in the hypothalamus

  33. Figure 6.16Copulating rats

  34. Figure 6.17Hormones and sexual behavior in rats

  35. Figure 6.17Hormones and sexual behavior in rats

  36. Figure 6.18When monkeys copulate,the male often grasps the feet or legs of the female with his own feet

  37. Photo, p. 1771957 advertisement for DES in a medical journal

  38. Photo, p. 178Because of variations in the timing of puberty, these 12-year-old girls vary a great deal in their physical development

  39. Figure 6.19Growth velocity curves for boys and girls

  40. Figure 6.20Typical development of pubic hair in girls at puberty

  41. Figure 6.21Typical development of breasts in girls at puberty

  42. Figure 6.22Puberty is starting earlier

  43. Figure 6.23Typical development of male external genitalia at puberty

  44. Figure 6.24Hormonal control of puberty

  45. Figure 6.24Hormonal control of puberty

  46. Box 6.7 Biology of Sex: Atypical Development: Precocious and Delayed Puberty

  47. Figure 6.25MRI slice through the human brain showing some of the regions whose size is affected by sex hormone levels at puberty

  48. Box6.8Personal Points of View: My Life with Androgen Insensitivity Syndrome

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