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Human Development Studies 12
Study of Human Sexuality - Midterm 2
118
Other
Undergraduate 1
05/06/2013

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Term
Female Genital Mutilation
Definition
Female circumcision via removal of the clitoris. Complete removal of clitoris and labia minora, sewing remaining tissue until female is married.
Term
Endocrine System
Definition
Glands that regulate body functions and processes via hormones. The hypothalamus is part of the brain that secretes the substances that influence the function of the endocrine system. The Pituitary gland is the master gland that controls hormone functions.
Term
Phermones
Definition
chemical signals not noticed by the human senses by released by an organism to effect a behavioral response in another. Females release phermones during fertile period of menstrual cycle.
Term
Menstrual synchrony
Definition
women who live together menstruate at the same time. Women exposed to sweat collected at different times of menstrual cycle sped or slowed their own cycle.
Term
Menstruation
Definition
shedding of the uterine lining. The lining of the uterus is prepared to nourish a fertilized ovum. If conception occurs, no shedding. If no conception, the lining sheds and exits the body via the vagina.
Term
Proliferative Phase
Definition
First phase of ovulation. The endometrium of the uterus thickens and the ovum matures.
Term
Secretory Phase
Definition
endometrium further thickens and corpus luteum develops, the tissues after the rupture of ovarian follicle.
Term
Progesterone
Definition
Produced and maintained by the corpus luteum. Used to maintain the uterus during pregnancy.
Term
Menstrual Phase
Definition
Third phase of ovulation. The ovum passes through the fallopian tube and into the uterus. If unfertilized, it dissolves and the uterus sheds the endometrium through the cervix as menstrual flow.
Term
Cause of menstrual cycle
Definition
Ovaries begin to produce large amount of estrogen, signaling release of gonadotropin-releasing hormone from hypothalamus. This stimulates the pituitary gland to release luteinizing and follicle stimulating hormone. As LH increases, Progesterone levels rise to suppress LH. If no fertilization, then progesterone inhibits GnRH which inhibits progesterone causing corpus luteum to die.
Term
Premenstrual Syndrome (PMS)
Definition
Symptoms that affect women before or during menstruation. Hormonal fluctuations and interactions with neurotransmitters are primary causes (i.e. serotonin).
Term
Dysmenorrhea
Definition
Severe uterine pain during menstruation. Prostaglandins are released during menstruation and cause inflammation in the uterus making it contract.
Term
Amenorrhea
Definition
Absence of menstrual periods. Common during pregnancy or after menopause. If a women by age of 16 has not had a period it is primary amenorrhea.
Term
Toxic Shock Syndrome (TSS)
Definition
Involves fever, shock and problems with function of body organs. Caused by toxin produced by certain bacteria. Associated with use of tampons on regular basis during menstrual cycle.
Term
Menopause
Definition
Time in woman's life when menstruation stops and body prevents her from being pregnant (mid 40s to early 50s). Time when female undergoes changes associated with menopause is perimenopause.
Term
Perimenopause
Definition
During this time, estrogen, progesterone and testosterone decline. When ovaries stop releasing the ova, the FSH and LH begin to rise. Hot flash are common symptoms. Menopause occurs when a women goes 1 yr w/o ovulation
Term
Penis
Definition
Primary male organ for sexual pleasure. Symbol of power, fertility and good luck. Transports both urine and semen. The penis itself is not a muscle.
Term
Erection
Definition
firm and enlarged condition of organ where erectile tissue is filled with blood.
Term
Foreskin
Definition
Covering of the penile glans in an uncircumcised man. Penile glans are found at the very top of the penis. If uncared for, secretions can accumulate underneath foreskin producing smegma.
Term
Testicles
Definition
Held in the scrotal sac and produce testosterone and sperm. Produce sperm at a cooler temperature than body temperature.
Term
Spermatogenesis
Definition
Process of sperm production inside the testicle in the seminiferous tubule.
Term
Erection
Definition
During sexual arousal, nerve signal from the brain travel to the erection centers on the spinal cord. Nitric Oxide signals the smooth muscle in penis to relax which allows blood to enter erectile tissue.
Term
Ejaculation
Definition
Autonomic nervous response where sperm leaves the epididymis, moves through the vas deferens and is expelled via the urethra. Secretions from seminal vesicles and prostate gland are added to the sperm to make semen.
Term
Emission Phase
Definition
1st phase of ejaculation. Cremaster muscle pulls the testes closer to body and semen is prepared for release.
Term
Expulsion Phase
Definition
2nd phase of of ejaculation. Rythmic contractions of smooth muscle/tissue in the different sex organs force semen out. After this phase, penis is soft and relaxed called detumescence.
Term
Refractory Period
Definition
Period of time where the penis will not become erect regardless of further sexual stimulation. Becomes longer as age increases.
Term
Male circumcision
Definition
Involves entirely or partially removing the foreskin. Usually performed on infant boys. Very common practice throughout the world. Has become questionable over the past years.
Term
Andropause
Definition
Decreasing levels of testosterone later in life slow the desire for sex and reduce depth of sensation in genitals.
Term
Bodily integrity
Definition
Inviolability of the physical body. Emphasizes importance of personal autonomy and self-determination of individuals over their own bodies.
Term
Genital integrity
Definition
The idea that someone's genitals ought to be left intact and not be interfered with. Choice to modify genitals is left to the individual.
Term
Erogenous Zones
Definition
Areas on the body that provide a lot of pleasure when touched, caressed, licked or kissed. Primary zones are areas most associated with sexual touch and pleasure. Secondary zones are ares of body were we feel sexual sensation.
Term
EPOR Model
Definition
Excitement, plateau, orgasm and resolution. A four-phase model proposed by Masters and Johnson to describe the sexual response cycle.
Term
Excitement Phase
Definition
First phase in the body's sexual response. The brain sends signals to the body to prepare it for possible sexual activity.
Term
Plateau Phase
Definition
2nd phase of sexual response. Once the body is prepared for sexual activity, partners may work to stimulate and elicit further sexual response. The body experiences a sex flush.
Term
Orgasm
Definition
Third phase of sexual response. Occurs at peak of plateau phase. Rhythmic muscle contractions. Involves muscle tension and relaxation throughout the entire body. Brain releases endorphins that alter emotions after orgasm.
Term
Resolution
Definition
Last phase of sexual response. Body experiences relaxation and psychological wellness. Extra blood drains from genitals, organs return to normal size. Women can have very short resolution periods.
Term
Helen Singer Kaplan
Definition
Proposed an amendment to the EPOR model. There is a stage of desire before excitement, though it is not necessary for sexual pleasure.
Term
Oral Sex
Definition
Stimulation of a partner's genitals by mouth. Fellatio is oral sex performed on a man and cunnilingus is oral sex performed on a woman.
Term
Coitus
Definition
Penile-Vaginal intercourse engaged by heterosexual couples.
Term
Missionary
Definition
Man lies on top of the women during sex. Most common position in western culture.
Pros: Maximize eye contact, easy for penis to enter vagina, man feels dominant
Cons: Difficult to caress woman's body, More difficult to stimulate clitoris, man's weight may be uncomfortable.
Term
Cowgirl
Definition
Female on top position. Most common throughout parts of the world.
Pros: Both partners can touch each other, woman is more dominant
Cons: Thrusting for man more difficult, may be too passive for man.
Term
Doggy Style
Definition
Rear-entry position where man inserts penis into vagina from behind.
Pros: Deep penetration, man can caress breast, good position during pregnancy
Cons: may be uncomfortable, no eye contact/kissing
Term
Sexual pleasure as a human right
Definition
The right to pursue sexual pleasure in a safe and satisfying way leading to overall better health. Fundamental to human rights.
Term
Breast Cancer
Definition
Comprises 23% of all cancers in women. The older a woman is, the more likely she will develop breast cancer. Risks of developing breast cancer include:
not having children or having children late
reaching menarche early
beginning menopause at a late age
Having family members with breast cancer
Having a genetic condition/mutation
Overweight especially after menopause
Using oral contraceptives
Drinking Alcohol
Term
Mammogram
Definition
low dose X-Ray of the breast used to detect growths and cancer in breast tissue. This allows physicians to look for early signs of breast cancer.
Term
Lumpectomy
Definition
Removing cancerous tumor in the breast leaving the breast intact.
Term
Mastectomy
Definition
Removal of one or both breast and possible other tissue to eradicate the cancer.
Term
Pelvic Exam/Pap Smear
Definition
A pelvic exam is recommended for girls as early as teenagers. Pap smear should begin 3 years after first engaging in sex or by 21 years old until 30 years. The patient removes her clothes, wears a gown, lies on the bed and puts her feet in stirrups.
Term
Speculum
Definition
Instrument used to open the vagina allowing the physician to view the vaginal wall and cervix.
Term
Urinary Tract Infection
Definition
Begins in the urinary system. Develops when bacteria enter the urinary tract through the urethra and multiply in the bladder.
Term
Vaginitis
Definition
Inflammation of the vagina that can result in unpleasant symptoms including discharge, itching and pain. May be caused by abnormal balance of bacteria in vagina or infection due to reduced estrogen after menopause.
Term
Bacterial vaginosis
Definition
Overgrowth of one or more organisms present in the vagina upsetting the natural balance of bacteria.
Term
Yeast infection
Definition
Naturally occurring fungus changes normal environment of the vagina.
Term
Trichomoniasis
Definition
Parasite that spread during sex with someone already infected. Infects the urinary tract in women. Symptoms include genital irritation, burning or pain urination and foul-smelling discharge
Term
Atrophic vaginitis
Definition
Due to reduced estrogen levels after menopause. Vaginal tissue becomes thinner and drier leading to itching, burning and pain during intercourse.
Term
Gynecological Cancer
Definition
Includes five types of cancer affecting the reproductive system.
Vaginal
Vulvar
Uterine
Ovarian
Cervical
Term
Uterine Cancer
Definition
Cancer beginning in the uterus. Most common often forms in the endometrial lining of the uterus.
Term
Ovarian Cancer
Definition
Usually begins in one or both ovaries. Mostly occurs in women over 40.
Term
Cervical Cancer
Definition
Begins in the cervix and is easiest to prevent. Human papillomavirus (HPV) is the main cause of cervical cancer.
Term
Testicular Cancer
Definition
Tends to occur in younger men. Generally affects one testicle. Normally originates in the germ cells (cells that produce sperm). Risk factors include:
Cryptorchidism - an undescended testicle
Abnormal Testicle development
Family history
Age
Term
Prostate Cancer
Definition
Affects the prostate gland which produces seminal fluid. Usually occurs in older men. Higher chance after age 50.
Term
Prostate-specific Antigen (PSA)
Definition
Routine screening that detects prostate cancer. Can result in false positives because it cannot indicate level of aggressiveness.
Term
Sexually Transmitted Infection
Definition
Risk factors include:
Unprotected Sex
Multiple Partners
Engaging in sex at an early age
Alcohol and drug use
Term
Human immunodeficiency virus
Definition
Clearest danger of unprotected ex. Leads to destruction of immune system via an illness called acquired immunodeficiency syndrome (AIDS).
Term
Retrovirus
Definition
A virus that destroys the cells of the body's immune system as it reproduces. Responsible for HIV and AIDS.
Term
Transmission of HIV
Definition
Only specific fluids from an HIV infected person can transmit HIV. They must come in contact with a mucous membrane, damaged tissue or be directly injected into the bloodstream.
Term
Primary HIV Infection
Definition
Lasts for a few weeks and accompanies with short flu-like illness. There is enough HIV in the blood for the immune system to start producing antibodies (serconversion).
Term
Clinically asymptomatic stage
Definition
2nd stage of HIV infection. Lasts 10 up to 20 years. HIV levels in the blood drop but antibodies are still around.
Term
Symptomatic HIV infection
Definition
HIV will start damaging the immune system. Opportunistic infections that could normally be fought off start appearing.
Term
HIV to Aids
Definition
A diagnosis for AIDS made if T-cell count is bellow 200 and the person be infected w/ one or more of 20 opportunistic infections. PCP is the most common infection.
Term
Bacterial STI
Definition
Found in various bodily fluids. Spread primarily via sexual contact. Can be treated with antibiotic.
Term
Gonorrhea
Definition
A bacterial STI. Can reproduce in the cervix, uterus and fallopian tube in women and urethra in men and women. Common. Symptoms appear 2-5 days after infection.
Term
Chlamydia
Definition
Common bacterial STI. Most frequent bacterial STI. A silent infection because most don't experience symptoms. Can be transmitted during sex.
Term
Syphilis
Definition
Bacterial STI. Imitator because it's symptoms are indistinguishable from other infections. Develops in stages. Primary stage - appearance of single sore called chancre. Appears where syphilis entered body. Secondary stage - symptoms include rash and lesions. Latent and Late stage - Symptoms begin to disappear. Can last for several years.
Term
Pelvic Inflammatory Disease (PID)
Definition
Infection of the uterus, fallopian tubes and other female reproductive organs. Occurs when bacteria move upward from the vagina or cervix into the reproductive organs. Associate w/ gonorrhea or chlamydia.
Term
Parasitic STI
Definition
Parasites infest generally on top of the body or just under the skin, not in the bloodstream.
Term
Scabies
Definition
Parasitic STI. Caused by infestation of the skin by human itch mite. Mite burrows into upper layer of skin and lays eggs. Can occur in crowded conditions. Transmission is via skin-to-skin contact.
Term
Pubic Lice (crabs)
Definition
Parasitic STI that is found in the pubic or genital are. Lice eggs are small and hard to see. Attach to hair shaft. Grow and hatch into nymph and adult pubic lice. Can be seen crawling on the body.
Term
Viral STI
Definition
Virus contraction via high-risk sexual behavior. Include HIV, HPV, herpes and hepatitis. Have no cure.
Term
Herpes
Definition
Skin condition characterized by sores on mouth or genitals. Helps spread HIV.
Term
Human Papilloma Virus
Definition
A condition from a group of over 100 viruses. Cause genital warts and lesions on/near the genitals or anus. Leading cause of cervical cancer.
Term
Hepatitis
Definition
Inflammation of the liver. Hepatitis B is associated with sexual contact. Causes chronic infection, cirrhosis and cancer of the liver.
Term
Contraception
Definition
Method that we use to prevent conception and unintended pregnancies. Help prevent the transmission of STIs. Abortion is not contraception. Methods include:
Term
Coitus interruptus
Definition
Withdrawal of penis before ejaculation
Term
Coitus obstructus
Definition
Putting pressure on the testicles causing sperm to ejaculate into the bladder.
Term
Coitus reservatus
Definition
Male avoids ejaculation.
Term
Douching
Definition
Washing out the vagina or the penis.
Term
Pessary
Definition
A suppository, object or elixir placed in the vagina. Either kills or blocks the passage of sperm into the cervix.
Term
Condoms
Definition
Began around 3,000 years ago. Extremely popular contraceptive method.
Term
Anthony Comstock
Definition
Helped pass the Comstock Act of 1873. Made it illegal to distribute information about contraception and devices because they were immoral and obscene. Very popular law at the time because smaller families were considered a moral disease.
Term
Margaret Sanger
Definition
Believed in free love and sexual rights. Credited with coining the term birth control. Campaigned to decriminalize contraception. Advanced sexual literacy of women through contraception education and counseling. Opened the first birth control clinic in 1916.
Term
Failure Rate
Definition
Number of women out of 100 who will become pregnant within the first year of using a particular method. Every contraception method has a failure rate.
Term
Typic Failure rate
Definition
Typical number of people who become pregnant accidentally with a particular method.
Term
Perfect use Failure Rate
Definition
Failure rate of a contraceptive method that is used regularly and correctly.
Term
Continuous Abstinence
Definition
Completely refraining from sexual intercourse in order to prevent pregnancy. Practiced mostly among religious groups. 100% effective in preventing pregnancy and STIs without cost but can be difficult to maintain.
Term
Selective Abstinence
Definition
Engaging in sexual behaviors that will not cause pregnancy or transmission of STIs and do not involve vaginal, anal or oral intercourse. Involves deep kissing, touching and mutual masturbation.
Term
Male Condom
Definition
Thin sheath of latex, polyurethane or silicone that fits over the erect penis. During ejaculation, the condom catches the semen and prevents it from entering the vagina, cervix, anus or mouth. Also protect against STIs including HIV.
Term
Female Condom
Definition
Made of latex or polyurethane. Worn by the woman internally. Has a closed flexible ring on one end and an open-ended ring on the other. During ejaculation, the condom prevents semen from entering the vagina or cervix. Can be inserted up to 8 hours before intercourse. Should not be used in tandem with a male condom.
Term
Cervical Barrier methods
Definition
An object along with vaginal spermicide to cover the opening to the cervix to prevent sperm from joining the egg. Include diaphragm, cervical cap, Lea's Shield and FemCap. All of these are dome shaped.
Term
Diaphragm
Definition
Covers the upper vaginal wall from behind the cervix to underneath the pubic bone.
Term
Cervical Cap
Definition
Small and fits over the cervix only.
Term
Fem Cap/Lea's Shield
Definition
Rims rest on the vaginal wall surrounding the cervix and have removable straps. Allows a one-way flow of fluid from the cervix to the vagina but prevents semen from contact with the cervix.
Term
Spermicides
Definition
Creams, foams and gels that contain a chemical that is lethal to sperm. Placed high up in the vagina near the cervix. Most effective when used with a barrier method. Do not protect against STIs.
Term
Oral Contraceptives
Definition
Birth Control Pill. Women could control their own reproductive cycles. The combination pill has combined estrogen and progestin and the minipill contains only progestin. Women begin taking their pill on the first day of her period. They prevent ovulation by changing hormone levels, thicken the cervical mucus to prevent sperm from joining with egg and change the uterine lining to prevent implantation of egg. Minipill is used specifically for women who are breastfeeding because estrogen could reduce milk production.
Term
Monophasic Pill
Definition
Contains 21 active pills that contain the same level of hormones.
Term
Biphasic pill
Definition
Contains 21 pills with two different levels of estrogen and progestin.
Term
Triphasic pill
Definition
Contains 21 pills with three different hormone dosages.
Term
Hormonal implant
Definition
Small tube of progestin that is inserted under the skin of a woman's upper arm. Implanon is a small rodlike device that can prevent pregnancy for 3 years.
Term
Emergency Contraception
Definition
Prevent pregnancy after an instance of unprotected intercourse or when a condom or barrier fails. Plan B is most common EC. Contains levonorgestrel. Take 1 pill w/in 72 hours. If before ovulation, prevents the egg from developing and releasing. If taken after ovulation, prevents egg from implanting.
Term
Intrauterine Device (IUD)
Definition
T-Shaped plastic device that is plastic device that is placed in the uterus to prevent pregnancy.
Term
Vasectomy
Definition
Sterilization or voluntary surgical contraception of the penis. Small incision on the scrotal sac is used to reach the vas deferens which are cut then blocked. Prevents passage of sperm into seminal fluid.
Term
Laparoscopy
Definition
Sterilization of a woman. Two small incisions are made in the abdomen. In tubal ligation, fallopian tubes are cut, tied or blocked. This prevents fertilization.
Term
Thelarche
Definition
First stage of breast development, characterized by small lumps forming beneath the areola.
Term
Menache
Definition
Female's first menstrual period. Secretory glands form at the end of milk ducts.
Term
Neuropeptide Hormone
Definition
The hormone that influences the emotional aspect of sexuality including arousal and attraction.
Term
Oxytocin
Definition
Influences feeling of erotic attraction and love. Facilitates flow of milk during breastfeeding and helps form strong emotional bonds.
Term
McClintock Effect
Definition
Explains the role of human pheromones in mating and reproduction due to their impact on menstruation in groups of women who live closer together.
Term
Antiretroviral Therapy
Definition
Combination of medications working together to reduce the replication of human immunodeficiency virus.
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