Definition of ecology for English Language Learners. : 1  a science that deals with the relationships between groups of living things and their environments. : 2  the relationships between a group of living things and their environment.
Tramadol (marketed as Ultram, and as generics) is an opioid pain medication used to treat moderate to moderately severe pain. When taken as an immediate-release oral formulation, the onset of pain relief usually occurs within about an hour.It has two different mechanisms. First, it binds to the Î¼-opioid receptor.ramadol is marketed as a racemic mixture of both R-and S-stereoisomers. This is because the two isomers complement each other's analgesic activity. It is often combined with paracetamol (acetaminophen) as this is known to improve the efficacy of tramadol in relieving pain.
Tramadol is metabolised to O-desmethyltramadol, which is a more potent opioid. It is of the benzenoid class. Tramadol was launched and marketed as Tramal by the German pharmaceutical company Gruenenthal GmbH gmbh in 1977 In West, germany and 20 years later it was launched in countries such as THE, Uk.U., s And. australiaramadol is recommended for the management of pain in fibromyalgia by the European League Against Rheumatism. Its analgesic effects take about one hour to come into effect and 2â4 hours to peak after oral administration with an immediate-release formulation.