Human Sexuality
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Created by:
katherine50 on January 27, 2011
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16 terms
Terms | Definitions |
|---|---|
 Sexual Stimulation | -Includes hearing sight, touch, psyche, and smell -Results in nerve transmission from the brain to the penis, affecting cyclic GMP levels in penis |
| Physiology of Erection | -Stimulation increases cyclic GMP (enzyme) in penis and relaxation of smooth muscle -Increased blood flow into erectile tissue -Veins carrying blood out are shut off -Blood trapped in erectile tissue |
| Loss of Erection | -Lack of sexual stimulation leads to breakdown of cyclic GMP (enzyme) by PDE5 (another enzyme in penis) -Decreased blood flow into erectile tissue -Blood no longer trapped in eretile tissue |
| Erectile Dysfunction | -inability to get an erection adequate for satisfactory sexual performance -impotent men may not produce enough cyclic GMP |
| How ED Drugs Work | -ED drugs allow stimulation to increase cyclic GMP by suppressing enzyme PDE5 hat destroys cyclic GMP -Increased blood flow into erectile tissue -Veins carrying blood out are shut off -Blood trapped in erectile tissue |
| Hormone Replacement Therapy Do's and Don'ts |  |
| Human Sexual Response |  "Normal" responses vary for men and women and among men and women |
| Priapism | An erection that doesn't end when sexual stimulation ends. May last for hours, damaging the tissue and contributing to ED. |
| Discovery of ED Drugs | -First examined as a drug to help with heart problems -Drug did not have desired effect -Test subjects would not return the test pills -Thus ED drugs were discovered due to serendipity |
| Changes in numbers of abortions |  |
| Types of Abortions (3) | D & C Suction RU486 |
| D & C | cervix is dilated and embryo is scraped off endometrium |
| Suction | cervix is dilated and suction tube used to remove embryo |
| RU486 |  Pill is taken that interferes with maintenance of endometrium. It blocks the action of progesterone which is necessary for implantation of fertilized egg. |
| Oral Contraceptive | -combination of synthetic estrogen and progesterone hormones -stops ovulation, preventing the ovaries from releasing eggs -also thicken cervial mucus, making it harder for sperm to enter the uterus |
| The Morning After Pill | -up to 72 hours after the unprotected sex -scientists are not sure how it works: may stop ovulation, may stop implantation, may stop pregnancy from proceeding |
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