A 4th engineer may get a salary in between 2300$-3600$, as per the above mentioned factors. 3rd Engineer can get in between, 3800$-4600$. 2nd engineer get salary of around 6000$-8000$. Electrical Engineer or ETO is also there in some ships, and can get salary package between 4000$-5000$ per month.
Prostacyclin (also called prostaglandin I2 or PGI2) is a prostaglandin member of the eicosanoid family of lipid molecules. It inhibits platelet activation and is also an effective vasodilator. When used as a drug, it is also known as epoprostenol. The terms are sometimes used interchangeably.
Prolactin is a single-chain protein hormone closely related to growth hormone. It is secreted by so-called lactotrophs in the anterior pituitary. It is also synthesized and secreted by a broad range of other cells in the body, most prominently various immune cells, the brain and the decidua of the pregnant uterus.