Category: B

A danger to human beings or their environment, especially one from a poisonous or infectious agent. Something that endangers life or living things (e.g., a radiation overdose, an oil spill, insecticide overuse). Anything that is harmful or potentially harmful to humans, other species, or the environment.  

The study of the moral and ethical choices in medial research and treatment of patients, especially when advanced technology is available. Moral inquiry into issues raised by life sciences.  

Referring to twins who develop from two different ova. Originating from two eggs. This term is typically used to describe binovular twins, where each baby develops from a distinct egg.  

Ability to see with both eyes at the same time, which gives a stereoscopic effect and allows a person to judge distances. The ability to focus both eyes on an object at the same time, so that a person sees one image of the object he is looking at. It is not inborn, but acquired…

Relating to or involving the use of both eyes. Relating to both eyes. Binocular vision involves focusing on an object with both eyes simultaneously and is important in judging distance. Relating to both eyes, as in binocular vision, which is the combined vision produced by two eyes.  

An intelligence test for children [Originally described 1905 but later modified at Stanford University, California, USA. After Alfred Binet (1857-1911), French psychologist and physiologist.] Also known as the Binet-Simon Scale; the first intelligence test designed to measure intelligence and cognitive functions. It was created by Alfred Binet and Theodor Simon in 1905. The modern Stanford-Binet…

Using, or relating to, both ears.  

Done with two hands, or needing both hands to be done. Using two hands to perform an activity, such as a gynecological examination.  

Surgical operations in which the lower part of the stomach is removed and the part of the stomach is removed and the part which is left is linked to the duodenum (Billroth J) or jejunum (Billroth II) [Described 1881. After Christian Albert Theodore Billroth (1829-94), Prussian surgeon.] A type of partial gastrectomy (surgical removal of…

The presence of bile in the urine: a feature of certain forms of jaundice.