| Symbol: Rh; atomic weight: 102.905; atomic number: 45 |
| Symbol: Ca; atomic weight: 40.08; atomic number: 20 |
prostaglandin pros·ta·glan·din (prŏs'tə-glān'dĭn)
n.
Any of a group of hormonelike substances produced in various tissues that are derived from amino acids and mediate a range of physiological functions, such as metabolism and nerve transmission.
| prostaglandin (prŏs'tə-glān'dĭn) Pronunciation Key
Any of a group of substances that are derived from fatty acids and have a wide range of effects in the body. Prostaglandins influence the contraction of the muscles lining many internal organs and can lower or raise blood pressure. |