Powerful chemical substances produced by endocrine glands that are released into the blood which releases to the body.
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testosterone
male hormone secreted by the testes
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Androgen
male and female sex hormone
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in male makes male sexual characteristics
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in women its in adrenal glands. gives woman sexual drive.
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Estrogen
Group of "female" sex hormones
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• Androgens relate to sexual desire in women, not estrogen.
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Endocrine glands
glands of the endocrine system that release hormones into the bloodstream
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Pituitary Glands
"Master gland"
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• Regulates the other glands, especially gonads (estrogen and testesornes), the endocrine system's most influential gland. Under the influence of the hypothalamus, the pituitary regulates growth and controls other endocrine glands
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Follicle Stimulating Hormone FSH
• Secreted by the pituitary gland
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• Stimulates sperm production
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• Inhibin- regulates too much sperm male birth control.
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Luteinizing Hormone LH
pituitary gland secretes
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females- stimulates ovulation & formation of the corpus luteum
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males- stimulates production testosterone.
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gonadotropin
Luteinizing hormone (LH), and Follicle stimulating hormone (FSH). Stimulates maturation of ova and sperm.
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Estrogen and Progesterone (woman)
• Regulate the changes of puberty
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• Responsible for maintaining the mucous membranes of the begins and stopping the growth of bone and muscle in puberity.
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• Regulated be LH and FSH, through a process similar to the one in males
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o Levels of Estrogen and Progesterone fluctuate according to the woman's cycle, as well as during pregnancy and menopause.
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Oxytocin
A hormone released by the posterior pituitary that stimulates uterine contractions during childbirth and milk ejection during breastfeeding.
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Prolactin
stimulates milk secretion (production) and its produced in the pituitary gland.
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Homologous Organs
body parts similar in structure and origin butdiffer in male & female usestestis/ovaries, penis/clit, scrotum/outer lips, prostate,cowpers /skenes, bartholin glands,
the most common method of measuring sexuality, participants are asked questions about their sexual behavior.
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direct observations
Behavioral measure, scientist directly observe the behavior being studied.[think hands on
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eye tracking
A behavioral measure in which a device measures the participants point of gaze over time.
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convenience sample
a sample chose in haphazard manner relative the population of interest. not a random probability sample.
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purposeful distortion
Purposely giving false information in a survey. participants exaggerate or conceal information.
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Memory
survey requires respondents to recall sexual behavior as far back as childhood. to difficult to remember accurately.
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difficulties with estimates
it is difficult to estimate time , and it is even more difficult to do when engaged in an absorbing activity.
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test-retest reliability
A method for determining the reliability of a test by comparing a test taker's scores on the same test taken on separate occasions
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computer assisted self interview (CASI)
interviewer intercepts and directs willing respondents to computers where they read questions and key responses themselves
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extraneous factors
factors besides the independent variable that may cause change in the dependent variable. [such as age, race, gender]
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ethical issue
three basic principles: informed consent, protection from harm, and justice
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informed consent
An ethical principle requiring that research participants be told enough to enable them to choose whether they wish to participate.
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protection from harm
sex questions can be stressful & might harm peoplein some way. the principle of anonymity of response is important to ensure participants will not suffer after research.