Chapter 25 - F. Overies, Testes, Pineal Gland, and Thymus

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7 Terms

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ovaries

  • female gonads that not only produce and house the ova as they mature

    • gonads = organs that produce sex cells (gametes) and sex hormones

    • ova = eggs

  • endocrine organs that produce two major hormones:

    • estrogen

    • progesterone

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estrogen

  • hormones that are produced by the ovaries, which are endocrine organs

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progesterone

  • hormones that are produced by the ovaries, which are endocrine organs

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pineal gland

  • small, cone-shaped gland that is part of the epithalamus and is located posterior to the thalamus

  • secretes melatonin in darkness and, to a lesser degree, in daytime, helps set the body’s biological clock

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melatonin

  • pineal gland secretes ___ in darkness and to a lesser degree in daytime, helps set the body’s biological clock

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thymus

  • plays a role in immune function and is located anterior and superior to the heart

  • much larger in babies and children, and regresses in size as a person ages

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thymosin

  • main hormone produced by the thymus