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Dissect (verb)
To study an animal’s anatomy by cutting it apart; to perform a necropsy or an autopsy.
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Dissect (verb)
To study a plant or other organism’s anatomy similarly.
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Dissect (verb)
To analyze an idea in detail by separating it into its parts.
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Dissect (verb)
To separate muscles, organs, and so on without cutting into them or disrupting their architecture.
“Now dissect the l|en|triceps away from its attachment on the l|en|humerus.”
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Dissect (verb)
Of an infection or foreign material, following the fascia separating muscles or other organs.
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Resect (verb)
To remove (some part of an organ or structure) by surgical means.
“The tumor was resected after chemotherapy.”
Wiktionary