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36 Cards in this Set
- Front
- Back
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determined genetic sex at
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fertilization
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phenotypic sex is determined at
depends on |
week 7
sex- determining region Y (SRY) gene within testis- determining factor (TDF) rigion on the Y choromosome →stimulate androgen production →initiate male phenotypic development |
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early 5 of embryonic development
intermediate mesoderm form |
genital ridges (gonadal ridges ) →gonads
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genitalia ridges will form
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gonads
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germ cell will form the
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future gametes (sperm and oocyte)
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Female develop
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paramesonephic duct ( week 8-20)
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male develop
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(week 7) -sex- determining region Y (SRY) produce→(week 8-12) develop mesonephric duct
froms interstitial cells sustentacular cell →secrete anti mullerian hormone → degenerate paramesonephic duct |
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genital ridges
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ovaries
testes |
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mesonephric duct
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male: ductus deferens
female: degenerated |
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paramesonephric duct
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male: degenerated
female: uterine tube |
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cloaca
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male: urethra
female: vagina |
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external genitalia development
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appear week12
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genital tubercle
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female: clitoris
male: glans and dorsal penis |
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urogenital fold
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female: labia minora
male:ventral penis |
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labioscrotal swelling
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female: labia majora
male: scrotum |
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precocious puberty
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signs of puberty develop much earlier than normal.
May due to brain injury, pituitary or gonad tumor |
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erectile dysfunction and impotence
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inability to achieve or maintain erection
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age: male
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decrease teststerone
size decrease (testes parallels & semiferous tubule) enlargement (prostate gland) |
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age: female
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decrease estrogen & progesterone
menopause decrease vagina wall thickness, uterus shrinking thinning scalp hair and increase facial hair increase osteoporosis and heart disease |
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nondisjuction
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failure of separation of homologus chromosome or sister chromatids
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trisomy 21 down syndrome
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may have 47 chromosome
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monosomy
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may have 45 chromosomes
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endometriosis
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when part of the endometrium is displaced onto external surface of organs within the abdominal pelvic cavity
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conebiospy
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cervix remove
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hysterectomy
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uterus remove
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dysplasia
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dysplastic cell
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contraception
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prevent pregnancy
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abstinence
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no sexual intercourse
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birth control pill
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low estrogen (prevent LH) progestin
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chlamydia
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chlamydia trachomatis
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genital herpes
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herpes simplex virus
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gonorrhea
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bacteria neisseria gonorrhoeae
mother to baby during delivery |
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syphilis
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bacteria treponema pallidum
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prostatic hyperplasia
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enlargement of prostate gland
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intersex coditions
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disorders of sex development
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psendohermaphroditism
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genetic sex and phenotypic sec do not much
46xy intersex (genetic male, phenotypic female, lack of male hormone) 46xx intersex (genetic female phenotypic male,excessive androgen congenital adrenal hyperplasia) |
