1 One or more genes may cause the epilepsy or epilepsy may be caused by the way some genes work in the brain. 2  The relationship between genes and seizures can be very complex and genetic testing is not available yet for many forms of epilepsy.
Wiktionary (5.00 / 1 vote) Rate this definition: biology (Noun). The study of all life or living matter. biology (Noun). The living organisms of a particular region. biology (Noun). The structure, function, and behavior of an organism or type of organism. the biology of the whale.
Physiology is the branch of biology that deals with the functions of living organisms and the parts of which they are made. This scientific discipline covers a wide variety of functions, ranging from the cellular and below to the interaction of organ systems that keep the most complex biological machines running.