Category: B

An anticonvulsant drug used in the treatment of epilepsy. It is administered by mouth and often given together with phenobarbital. Side-effects may include stomach upsets, dizziness, and nervousness.  

The midpoint of the anterior border of the large hole (foramen magnum) at the base of the skull. The midpoint of the anterior border of the foramen magnum.  

The linking of the two strands of a DNA molecule by means of hydrogen bonds between the bases of the nucleotides. Adenine always pairs with thymine and cytosine with guanine.  

An infectious disease, confined to high river valleys in Peru, Ecuador, and Columbia, caused by the parasitic microorganism Bartonella bacilliformis. The parasite, present in red blood cells and cells of the lymphatic system, is transmitted to man by female sandflies. There are two clinical stages of the disease: Oroya fever (Carrion’s disease), whose symptoms include…

A genus of parasitic rod-shaped or rounded microorganisms, usually regarded as intermediate between the bacteria and rickettsiae. They occur in the red blood cells and cells of the lymphatic system, spleen, liver, and kidneys. B. bacilliformis causes bartonellosis in man. A genus of gram-negative bacteria of the family Rickettsia, that cause infections that are transmitted…

A lung disease, a form of pneumoconiosis, caused by inhaling barium dust. It gives dramatic shadows on chest X-rays but no respiratory disability. Pneumoconiosis caused by inhalation of barium dust.  

A barbiturate that has properties, uses, and side-effects similar to those of barbital but acts more rapidly. It can be given by mouth or by injection.  

A long-acting barbiturate, used as a hypnotic, as a sedative for the suppression of convulsions, as and analgesic, and as an anesthetic. Prolonged use may lead to ‘dependence and over dosage has serious toxic effects. The fundamental barbiturate, from which all other barbiturate medications originate; employed as a sedative and for managing insomnia.  

A drug that relaxes smooth muscle and dilates the peripheral blood vessels. It is used in the treatment of vascular disease to relieve spasm of the arteries and improve blood flow to the tissues. Common side-effects include flushing, gooseflesh, and tingling.  

An instrument for recording the displacement of the whole body produced by the ejection of blood with each heart beat. The normal record produced by such an instrument (ballisto-cardiogram) may be altered by disease of the heart or aortic valve. A mechanism for measuring and recording the impact caused by the discharge of blood from…