Endocrine disruptor to have committed scientific misconduct. Found in many household and industrial products, endocrine disruptors are substances that "interfere with the synthesis, secretion, transport, binding, action, or elimination of natural hormones in the body that are responsible for development, behavior, fertility, and maintenance of homeostasis (normal cell metabolism)." They are sometimes also referred to as hormonally active agents, endocrine disrupting chemicals, or endocrine disrupting compounds. The variety of terms used to describe these substances reflects not only a range of meanings but a range of connotations, with "endocrine disruptor" emphasizing harmful effects, while "hormonally active agent" or "xenohormone" are more neutral,
Multiple endocrine neoplasia mutation or hereditary transmission. The presence of two or more tumor types in a single patient does not automatically designate that individual as having MEN because there is a small statistical chance that development of two "sporadic" tumors that occur in one of the MEN syndromes could occur by chance. The term "multiple endocrine neoplasia" was introduced in 1968, but descriptions of the condition date back to 1903. Multiple endocrine neoplasia The term multiple endocrine neoplasia (MEN) encompasses several distinct syndromes featuring tumors of endocrine glands, each with its own characteristic pattern. In some cases, the tumors are malignant, in