Coral reef. Coral reefs are diverse underwater ecosystems held together by calcium carbonate structures secreted by corals. Coral reefs are built by colonies of tiny animals found in marine water that contain few nutrients. Most coral reefs are built from stony corals, which in turn consist of polyps that cluster in groups. The polyps belong to a group of animals known as Cnidaria, which also includes sea anemones and jellyfish. Unlike sea anemones, corals secrete hard carbonate exoskeletons which support a
Ketamine Street Names. Ketamine is a dissociative anesthetic that can cause the user to feel out of his or her body. The term dissociative means that the user will disassociate with him or herself while under the influence of the drug. This can cause a wide array of reactions including adverse behaviors, odd patterns of thought and erratic actions.
Tell your caregivers at once if you have any of these serious side effects within 24 hours after you receive ketamine: severe confusion, hallucinations, unusual thoughts, or extreme fear.Call your doctor at once if you have a serious side effect such as:1  feeling like you might pass out;2  slow heart rate, weak or shallow breathing; 3  pain or burning when you urinate; or. 4  jerky muscle movements that may look like convulsions.his is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. Read the Ketamine Hydrochloride (ketamine hcl) Side Effects Center for a complete guide to possible side effects.