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Prostaglandins produce diverse and even opposite effects. Some, for example, relax smooth muscles in the airways of the lungs and in blood vessels, while others contract smooth muscles in the walls of the uterus and intestines. Prostaglandins stimulate hormone secretion from the adrenal cortex and inhibit secretion of hydrochloric acid from the stomach wall. They also influence the movements of sodium ions and water molecules in the kidneys, help regulate blood pressure, and have powerful effects on male and female reproductive physiology.
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What group of lipids have powerful regulating effects on a variety of tissues?
prostaglandins
Aspirin achieves many of its desired effects by what?
blocking the enzymatic production of prostaglandins
Prostaglandins can only constrict blood vessels. True or False?
False. Prostaglandins can have both constricting and dilating effects on blood vessels, depending on the specific type of prostaglandin and the context in which it is acting.
Which is released by damaged tissues to stimulate nerve endings and produce the sensation of pain?
Prostaglandins are released by damaged tissues and stimulate nerve endings to produce the sensation of pain. They also cause inflammation and fever as part of the body's immune response to injury.
What does Prostaglandin do?
Prostaglandins have a wide variety of effects, and may be responsible for the production of some types of pain and inflammation
Which body tissues produce prostaglandins?
Prostaglandins are produced by various tissues in the body, including the kidneys, brain, and gastrointestinal tract. They are also synthesized in response to injury and inflammation by immune cells such as macrophages and white blood cells.
Are prostaglandins made in the renal medulla?
Yes, prostaglandins are made in the renal medulla.
Are prostaglandins proteins?
No, prostaglandins are not proteins. Prostaglandins are lipid compounds derived from fatty acids. They play a role in inflammation, blood clotting, and other important physiological processes in the body.
What macromolecule is hormones?
prostaglandins
Prostaglandins are classified as a?
Hormones
What are prostaglandins also called?
Prostaglandins are also called paracrines. Prostaglandins are not hormones, but autocrines or paracrines, which are locally acting messenger molecules. They differ from hormones in that they are not produced at a discrete site but in many places throughout the human body.
Are prostaglandins considered paracrines?
Yes, they are.
