BIOL 2050 1st Edition Lecture 30 Outline of Last Lecture I. Hormones and Reproductive CyclesOutline of Current Lecture II. Reproductiona. Female Reproductive Systemb. Fertilizationc. HormonesCurrent LectureReproductionReproduction Handicap: sexual reproduction gives off fewer offspring per generation than asexual reproduction.Female Reproductive System- Paired Ovaries: eggs are released - Fallopian Tubes (Oviducts): draw egg down towards uterus- Uterus: where fetus developsMaleo Testes: sperm is madeo Vas Deferens: Carries sperm from testes to urethraFertilization- About 50 sperm reach egg but only one fertilizeso Swims through the female reproductive tract- In Vitro: fertilization occurs in petri dish then placed in a woman’s uterus.- Intrauterine insemination: condensing of sperm so there is moreo Injected into the uterusHormones- In menstrual cycleo Hypothalamus releases GnRHo Pituitary releases FSH and LH Peak in LH triggers ovulationo Progesterone and Estradoil is releasedThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- In pregnancyo Estrogen and progesterone support the implanted embryos as it developso Embryo secretes hCG to ovary to continuing progesterone and estrogen productiono Oxytocin: Birth Stimulates contractions Placenta is stimulated to make
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