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Cards In This Set
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ORGANIZING EFFECTS OF SEX HORMONES
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TITLE
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If we inject estorgens into adult males will they start to act like females?
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No
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If we inject androgens into adult females will they start acting like males?
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No
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What if the hormones(androgens, estrogens) were injected into the females or males respectivly at a younger age ?
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They would have much stronger effects
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What are the organizing effects of sex hormones?
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These effects of sex hormones usually occur at the sensitive stage of development
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When do these organizing effects take place in rats?
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Shortly before and after birth
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When do these organizing effects take place in humans?
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Before birth in humans
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What do these organizing effects control?
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They determine whether the brain and body will develop female or male characteristics
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What are Activating effects and when do they occur?
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They occur at any time in life, when a hormone activates a particular response
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How long do activating effects last on an organ?
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Activating effects may last longer than the hormone remains on the organ, but they do not last indefinitely
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Are the distinctions between the two types of effects absolute?
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No it is not absolute
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Can hormones early in life exert temporary effects even while they are organizing body development?
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Yes
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Can hormones induce long lasting structural changes as well as activating effects during puberty
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Yes
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SEX DIFFERENCES IN THE GONADS
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TITLE
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What does Sexual differntiation begin with?
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It begins with the chromosomes
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