One difference between prostaglandins and hormones is that prostaglandins circulate throughout the body whereas hormones go only to target cells.

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Prostaglandins are not typically found in the bloodstream but instead act locally at the site of their synthesis. Hormones, on the other hand, are typically released into the bloodstream and travel to target cells located throughout the body.

One Difference Between Prostaglandins and Hormones Is That Prostaglandins Circulate