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.
Causes. Contamination of food can happen at any point during its production: growing, harvesting, processing, storing, shipping or preparing. Cross-contamination â the transfer of harmful organisms from one surface to another â is often the cause. This is especially troublesome for raw, ready-to-eat foods, such as salads or other produce. Because these foods aren't cooked, harmful organisms aren't destroyed before eating and can cause food poisoning. Many bacterial, viral or parasitic agents cause food poisoning. The following table shows some of the possible contaminants, when you might start to feel symptoms and common ways the organism is spread.