For the most common type of cardiac tumor, hemangiosarcoma (HAS), spayed females had a greater than five times risk vs. their intact counterparts. Neutered male dogs had a slightly higher risk than intact males. The study concluded that, â¦ neutering appeared to increase the risk of cardiac tumor in both sexes.
Opiates List Categories. The natural drugs contained on the opiates list come from the alkaloid materials found in the opium poppy seed plant. Opium poppy seed plants contain a high concentration of morphine-derived alkaloids, which accounts for why morphine is one of the strongest opiates in existence. Codeine-derived alkaloids make up the second highest concentration.
Morphine is one of the natural plant alkaloids found in opium and is the prototype opiate, against which other derivatives are measured in terms of analgesic effects and side effects. Morphine has not been linked to serum enzyme elevations during therapy or to clinically apparent liver injury. Background.