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23 Cards in this Set

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steriod hormones
the sex hormones and the hormones of the adrenal cortex
neuropeptide hormones
chemicals prodected in the brain that influence sexuality and other behavioral functions
oxytocin
neuropeptide hormone that is produced int he hypothalamus that influences sexual response and interpersonal attraction
castration
surgicla removal of the testes
orchidectomy
surgical procedure for removing the testes
hypogonadism
impaired hormone production in the testes that results in testosterone deficiency; deisease of endocrine system
limbic system
a subcortical brain system composed of several interrelated structures that influences the sexual behavior of humans and other animals
dopamine
a neurotransmitter that facilitates sexual arousal and activity
serotonin
a neurotransmitter that inhibits sexual arousal and activity
erogenous zones
areas of the body that are particularly responsive to sexual stimulation
primary erogenous zones
areas of the body that contain dense concentrations of nerve endings
secondary erogenous zones
areas or the body that have become erotically senstive through learning and experience
pheromones
certain odors produced by the body that relate to reproductive functions
aphrodisiac
a substance that allegedly arouses sexual desire and increases the capacity for sexual activity
anaphrodisiac
a substance that inhibits sexual desire and behavior
vasocongetstion
the engorgement of blood vessels in particular body parts in repsonse to sexual arousal
myotonia
muscle tenstion that occurs during sexual arousal
excitement phase
Master's and Jonshon's term for the first phase of the sexual response cycle, in which engorgement of the sexual organs and increases in muscle tenstion, heart rate, and blood pressure occur
sex flush
a pink or red rash that can appear on the chest or breasts during sexual arousal
plateau phase
Masters and Johnson's term for the second phase of the sexual response cycle, in which muscle tenstion, heart rate, blood pressure, and vasocongestion increase
orgasm
series of muscular contractsion of the pelvic floor muscles occurring at the peak of sexual arousal
resolution phase
the fourth phase of the sexual repsonse cycle as outlined by Masters and Johson, in which the sexual systems return to their nonexcited state
refractory period
the period of time following orgasm in the male, durig which he cannot experience another orgasm