Products Medicines containing tacrine are no longer available in many countries. Cognex capsules are no longer on the market. Structure and properties Tacrine (C13H14N2, Mr = 198.3 g/mol) is a tetrahydroacridin-9-amine. It is present in drugs as tacrine hydrochloride monohydrate. Effects Tacrine (ATC N06DA01) is indirectly parasympathomimetic. Effects are due to central and reversible inhibition … Tacrine
Products Carbachol is commercially available as a solution for injection (Miostat). It has been approved in many countries since 1976. Structure and properties Carbachol (C6H15ClN2O2, Mr = 182.7 g/mol) is a structural analog of the neurotransmitter acetylcholine. Instead of the acetyl group, a carbamoyl group is present, resulting in increased chemical stability. As a result, … Carbachol
Products Antivertiginosa are commercially available in the form of tablets, capsules, and drops, among others. The name of the drug group is derived from anti- (against) and vertigo, the Latin technical term for vertigo or spinning. Structure and properties Antivertiginosa do not have a uniform structure because different drug groups are used. Effects The agents … Antivertiginosa
Varenicline helps smokers quit smoking Quitting smoking presents an immense challenge to those affected. The chances of withdrawal success can be increased by nicotine replacement products such as patches or chewing gum. If these attempts fail, a possible alternative is therapy with varenicline. The drug has been tried and tested, and its positive effect on … Varenicline for Smoking Cessation
Choline is a widely used and indispensable biological agent. Many metabolic processes take place only with the cooperation of choline. Therefore, choline deficiency leads to a variety of health problems. What is choline? Choline is a quaternary ammonium compound, which is also a monohydric alcohol. Here, the nitrogen atom is surrounded by three methyl groups … Choline: Function & Diseases
Cholinergic crisis is caused by an overdose of cholinesterase inhibitors. It is characterized by acute muscle weakness and nicotine-like side effects. What is a cholinergic crisis? A cholinergic crisis occurs when there is an excess of acetylcholine. Acetylcholine is biogenic amine that functions as a neurotransmitter in the body. The neurotransmitter is found in both … Cholinergic Crisis: Causes, Symptoms & Treatment
The elastic protein titin consists of approximately 30,000 amino acids, making it the largest known human protein. As a component of sarcomeres, the smallest contractile unit of skeletal and cardiac muscles, titin provides the elastic connection between Z-disks and myosin heads in the form of filaments. Titin filaments are passively preloaded and retract the myosin … Titin: Structure, Function & Diseases
Smooth muscle is a type of muscle located in numerous hollow human organs. It has the ability to work independently. What is smooth muscle? Smooth muscle is a type of muscle that, unlike striated muscle, cannot be controlled at will. It exerts influence on the shape and function of the internal organs. It forms the … Smooth Muscle: Structure, Function & Diseases
The infraspinatus muscle extends between the scapula, glenohumeral joint capsule, and greater humerus. It is part of the striated (skeletal) musculature and is important for external rotation, abduction, and adduction of the arm. As part of the rotator cuff, it can be damaged if the cuff ruptures. What is the infraspinatus muscle? A person normally … Infraspinatus Muscle: Structure, Function & Diseases
Sauerkraut is a popular side dish and is also popular as a stew or soup. The cabbage is one of the probiotic foods, as it contains the health-promoting lactic acid bacteria. It is made from finely chopped white or pointed cabbage. This is what you should know about sauerkraut The cabbage is one of the … Sauerkraut: Intolerance & Allergy
Definition Esters are organic compounds formed by the reaction of an alcohol or phenol and an acid such as a carboxylic acid. The condensation reaction releases a water molecule. The general formula of esters is: esters can also be formed with thiols (thioesters), with other organic acids, and with inorganic acids such as phosphoric acid … Ester
The putamen or outer lenticular nucleus is a structure in the brain that belongs to the corpus striatum or nucleus lentiformis. Its function is to process neural signals relevant to the control of motor processes. Damage to the putamen may accordingly be accompanied by disturbances in voluntary movements. What is the putamen? The putamen is … Putamen: Structure, Function & Diseases
