Category: D

A narcotic analgesic. A drug used to relieve pain and suppress coughs. It is administered by mouth or injection and sometimes causes nausea, dizziness, and constipation. Dependence of the morphine type can also occur, but this is rare. Dihydrocodeine is a type of painkiller categorized as an opioid analgesic. Common side effects of dihydrocodeine include…

In genetics, a cross between parents differing in two pairs of genes.  

The maximum number of digits that can be retained in short-term memory following the oral presentation of a series of digits at the rate of one per second.  

Walking on the digits (toes).  

A technique that uses brain imaging methods to observe the anatomy and functioning of blood vessels, especially in the brain. Computer processing capabilities are paired with X-ray techniques for this assessment method. Computerized imaging of the vasculature with visualization on a monitor screen following the intravenous injection of iodine through a catheter. A test using…

The process of giving digitalis to the point where the maximum therapeutic effect is obtained without untoward side effects. Administration of a larger loading dose of digitalis to speed therapeutic response without producing toxic symptoms. The administration of the drug digitalis or one of its purified derivatives to a patient with heart failure until the…

The passage leading from the mouth to the anus through the pharynx, esophagus, stomach, and small and large intestines, digestive system. The section of the body beginning with the mouth and ending at the anus. Includes the mouth, esophagus, stomach, small intestine (duodenum, jejunum, ileum), cecum, large intestine, rectum, and anus. The series of organs…

Mechanical and chemical actions required to reduce foods into absorbable substances to be assimilated by the body. Mechanical action begins in the mouth with the chewing of foods and continues throughout the digestive process by the churning action of the gastrointestinal organs. Chemical digestion also begins in the mouth and continues in the stomach and finally…

The activity of a specific kind of molecule as a result of the combined effects of concentration, temperature, and pressure.  

The expression in neurological language that stimulation leads to a general state of arousal in the cerebral cortex. This effect is produced by the ascending reticular formation and is to be contrasted with the specific representation in the cortex of stimulation in more limited primary projection areas.