Steroid hormones produce their effects by quizlet

Anabolic steroids attract young people and adults, who take these drugs to enhance athletic performance and improve their body image. Even though they may take these steroids with good intentions, they may not understand that the drugs are potentially harmful. These problems include aggressive behavior, liver disease, and increased risk of heart disease and certain cancers. Anabolic steroids also can cause permanent undesirable changes in sex characteristics, such as breast growth in men and increased facial hair and deepened voice in women. Among youth who have not attained their natural height, anabolic steroids can stunt their growth. Anabolic steroids should never be taken except while under a doctor's care.

The Oxandrolone hormone does not carry any estrogenic related side effects. It does not aromatize and cannot lead to gynecomastia or water retention due to increases in estrogen levels. It further carries no progestin related activity, which again supports no estrogenic related side effects. Due to water retention being impossible with this steroid, this will decrease the risk of high blood pressure. Excess water retention can promote high blood pressure. Some steroids that do not aromatize can lead to high blood pressure, such as Trenbolone , but Anavar is rarely associated with this trait.
 

The genetic basis of four forms of severe hypertension transmitted on an autosomal basis has also been determined. All of these conditions are characterized by salt-sensitive increases in blood pressure, indicating an increased mineralocorticoid effect. The four disorders—aldosteronism, mineralocorticoid excess syndrome, activating mutation of the mineralocorticoid receptor, and Liddle syndrome—are a consequence of either abnormal biosynthesis, abnormal metabolism, or abnormal action of steroid hormones and the development of hypertension. Adrenal insufficiency is known as Addison’s disease and causes death within two weeks unless treated. Classical Addison’s disease results from a loss of both cortisol and aldosterone secretion as a result of the near total or total destruction of both adrenal glands.

Progestins , the most important of which is progesterone , are the other type of female sex hormone and are named for their role in maintaining pregnancy (pro- gestation ). Estrogens and progestins are secreted cyclically during menstruation . During the menstrual cycle , the ruptured ovarian follicle (the corpus luteum ) of the ovary produces progesterone, which renders the uterine lining receptive to the implantation of a fertilized ovum . Should this occur, the placenta becomes the main source of progesterone, without which the pregnancy would terminate. As pregnancy progresses, placental production of progesterone increases, and these high doses suppress ovulation , preventing a second conception . The contraceptive quality of progesterone led to the development of structurally modified progestins and estrogens—the oral contraceptives known as birth-control pills, used by women to prevent unwanted pregnancy.

Steroid hormones produce their effects by quizlet

steroid hormones produce their effects by quizlet

Progestins , the most important of which is progesterone , are the other type of female sex hormone and are named for their role in maintaining pregnancy (pro- gestation ). Estrogens and progestins are secreted cyclically during menstruation . During the menstrual cycle , the ruptured ovarian follicle (the corpus luteum ) of the ovary produces progesterone, which renders the uterine lining receptive to the implantation of a fertilized ovum . Should this occur, the placenta becomes the main source of progesterone, without which the pregnancy would terminate. As pregnancy progresses, placental production of progesterone increases, and these high doses suppress ovulation , preventing a second conception . The contraceptive quality of progesterone led to the development of structurally modified progestins and estrogens—the oral contraceptives known as birth-control pills, used by women to prevent unwanted pregnancy.

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