This figure shows the three main locations of acetylcholine receptors: CNS receptors (muscarinic and nicotinic): cholinergic neurotransmission at the CNS level is thought to regulate sleep, wakefulness, and memory. Two clinical situations depict the role of acetylcholine in CNS: - Acetylcholinesterase inhibitors are used in the treament of Alzheimerâs disease and other dementias.
The Cause Of Bacteria Contamination in Well Water Poor well construction If you have a bedrock well, bacteria contamination could be caused by a buried well head or an inadequate well cap.
Naturally sources of contamination. The first step to protect your health and the health of your family is learning about what may impact the quality of your source of drinking water. Microorganisms are bacteria, viruses, and parasites sometimes found in water. Shallow wells are at greater risk of contamination. Runoff, or water flowing over the land surface, may pick up contaminants from wildlife and soils. This is often the case after a flood. These organisms can cause a variety of illnesses. Radionuclides are radioactive elements such as uranium and radium.