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Betamethasone

Aldosterone, hemiacetal derivative

Betamethasone

FIGURE 59-4 Structure and nomenclature of corticosteroid products and selected synthetic derivatives. The structure of hydrocortisone is represented in two dimensions. The steroid ring system is not completely planar and the orientation of the groups attached to the steroid rings is an important determinant of the biological activity. The methyl groups at C18 and C19 and the hydroxyl group at C11 project upward (forward in the two-dimensional representation and shown by a solid line connecting the atoms) and are designated fi. The hydroxyl at C17 projects below the plane (behind in the two-dimensional representation, and represented by the dashed line connecting the atoms) and is designated a.

Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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