Table of Contents
Syllabus
Sex chromosome analysis
Sex chromosome analysis
Barr body in epidermal spinous cell layer Nuclear appendage in white blood cells
Formation of male genitalia depends upon the presence of a functional, secreting testis; in the absence of testicular tissue, development is female
Embryology of the reproductive system
Development of an ovary from the cortex and a testis from the medulla of a bipolar primordial human gonad
Embryology of the genitalia
Embryonic differentiation of male and female internal genitalia from Wolffian (male) and Mullerian (female) primordia
Reproductive system embryology
Differentiation of male and female external genitalia from indifferent primordial structures in embryo
Aberrant sexual differentiation
Karyotype of chromosomes from normal male
Chromosomal abnormalities
Four possible defects produced by maternal nondisjunction of sex chromosome at time of meiosis
Nondisjunction of the sex chromosomes during gametogenesis
Nondisjunction of the sex chromosomes during gametogenesis
Nondisjunction of the sex chromosomes during gametogenesis
Faulty mitoses in the early zygote, the production of a mosaic
Transposition of parts of chromosomes to other chromosomes
Nondisjunction of autosomes
Hormonal abnormalities
Male pseudohermaphroditism caused by androgen resistance
Postnatal development
Postnatal development
Puberty (adolescence) Final maturation of the reprod. system (estrogen and androgen secretion)
Secondary sex characteristics in boys at puberty
Precocious puberty
Classification of the causes of precocious sexual development in humans
Delayed or absent puberty
The period of sexual maturity
Climacteric Decline of gonad function
Pituitary gonadotropins
FSH - follicle stimulating hormone
LH - luteinizing hormone
PRL - prolactin
The male reproductive system
The male reproductive system
Spermatogenesis Formation of human sperm from primitive germ cell -75 days
Seminiferous epithelium
Spermatogenesis
PPT Slide
Spermatogenesis Formation of human sperm from primitive germ cell -conditions
Cryptorchidism
Erection
Ejaculation
Semen
Semen
Endocrine function of the testes Biosynthesis of testosterone
Biosynthesis of testosterone
Plasma testosterone levels at various ages in human males
Endocrine function of the testes
Endocrine function of the testes Biosynthesis of testosterone
Mechanism of testosterone and dihydrotestosterone action
Biosynthesis of estrogens in men
Control of testicular function
Control of testicular function
Abnormalities of testicular function
Abnormalities of testicular function
Female reproductive system
Female reproductive system
Female reproductive system
Menstrual cycle
Ovarian cycle 1. Follicular phase of menstrual cycle
Mammalian ovary
Ovarian cycle Ovulation -2nd phase of menstrual cycle
Ovarian cycle Luteal phase- 3rd phase of menstrual cycle
Ovarian cycle
Fertilization
Uterine cycle induced by ovarian cycle
PPT Slide
Menstrual blood
Menstrual abnormalities
Menstrual abnormalities
Cyclic changes in uterine cervix
Vaginal cycle
Cyclic changes in the breasts during menstrual cycle
Abnormalities of ovarian function
Ovarian hormones
Estrogens
Biosynthesis of estrogens
Estrogens -effects
Female secondary sex characteristics
Estrogens -effects
Estrogens
Progesterone - major human gestagen
Progesterone - effects
Progesterone
Relaxin
Control of the cycle
Plasma hormone concentrations during 28-day human menstrual cycle
Feedback regulation of ovarian function
Control of ovarian function by hypothalamus
Feedback regulation of ovarian function
Feedback regulation of ovarian function
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