Term
a dose of approximately ___ is required to produce a measurable change in molecule |
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Term
a dose of ___ is necessary to produce a measurable biological response when the molecule is incorporated into a body/ living cell |
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the most radiosensitive part of the cell |
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interference with radiation at any phase of ____ could result in damage to the cell |
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Definition
genetic cells somatic cells |
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somatic cell proliferation |
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two phases of the cell cycle |
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four subdivisions of the phase mitosis |
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Definition
prophase metaphase anaphase telophase |
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Term
nucleus swells DNA begins to take structure |
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Term
chromosomes appear, damage induced by radiation can be seen at this time |
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splitting of each chromosome at the centromere |
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the final stage of mitosis disappearance of structural chromosomes into a mass of DNA cell division is complete |
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period of growth between divisions |
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1 DNA replication + 1 cell division= |
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Definition
2 identical daughter cells |
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process by which genetic cells undergo reduction division |
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genetic cells start meiosis with __ chromosomes (_) pairs |
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an immature cell that contains 46 chromosomes whose function is to create gonadal cells |
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daughter cells divide again in meiosis WITHOUT replicating DNA to produce ___ daughter cells with __ chromosomes each |
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Term
radiation damage to gonadal cell DNA can result in ___ genetic information to offspring |
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cells are organized into layers or masses called |
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tissues are organized into |
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organs are organized into |
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principal organ systems of the body |
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nervous digestive endocrine respiratory reproducive |
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also called undifferentiated, precursor, or stem cells and are more sensitive to radiation |
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French scientists who studied radiosensitivity in 1906 |
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radiosensitivity of living tissues varies with maturation and metabolism |
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stem cells are radiosensitive mature cells are radioresistant younger tissues and organs are readiosensitive tissues with high metabolic activity are radiosensitive |
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Definition
law of bergonie and tribondeau |
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Term
the law of Bergonie and Tribondeau is the governing principle for ___ |
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