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QuestionAnatomy and Physiology

There are three suffixes that mean "growth and development": -trophy, -plasia, and -genesis. Are they interchangeable when forming medical terms?
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Step 1
: Understand the meanings of the suffixes

-trophy: This suffix comes from the Greek word "troph", which means "nourishment" or "growth." It is used to denote a condition of abnormal growth, usually in the form of a tumor. For example, "hepatotrophy" refers to abnormal growth of liver tissue. -plasia: This suffix comes from the Greek word "plassein", which means "to mold" or "to form." It is used to denote the process of growth, development, or abnormal growth of cells or tissues. For example, "leiomyomatosis" refers to the abnormal growth of smooth muscle cells. -genesis: This suffix comes from the Greek word "genesis", which means "origin" or "birth." It is used to denote the beginning or formation of something, often in the context of a disease or condition. For example, "carcinogenesis" refers to the formation and development of cancer.

Step 2
: Compare and contrast the meanings

While all three suffixes relate to growth and development, they are not interchangeable because they have slightly different connotations. -Trophy specifically refers to abnormal growth, usually in the form of a tumor, while -plasia refers to the process of growth or abnormal growth of cells or tissues. -Genesis, on the other hand, refers to the beginning or formation of something, often in the context of a disease or condition.

Final Answer

-trophy, -plasia, and -genesis are not interchangeable when forming medical terms, as they have slightly different meanings. -Trophy refers to abnormal growth, usually in the form of a tumor, while -plasia refers to the process of growth or abnormal growth of cells or tissues. -Genesis refers to the beginning or formation of something, often in the context of a disease or condition.

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