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function

(Encyclopedia)function, in mathematics, a relation f that assigns to each member x of some set X a corresponding member y of some set Y; y is said to be a function of x, usually denoted f(x) (read “f of x ”)....

brain

(Encyclopedia)CE5 Brain brain, the supervisory center of the nervous system in all vertebrates. It also serves as the site of emotions, memory, self-awareness, and thought. Brain research, now often referred ...

brain stem

(Encyclopedia)brain stem, lower part of the brain, adjoining and structurally continuous with the spinal cord. The upper segment of the human brain stem, the pons, contains nerve fibers that connect the two halves ...

skeleton, in anatomy

(Encyclopedia)CE5 Human skeleton skeleton, in anatomy, the stiff supportive framework of the body. The two basic types of skeleton found among animals are the exoskeleton and the endoskeleton. The shell of the ...

anatomy

(Encyclopedia)anatomy ənătˈəmē [key], branch of biology concerned with the study of body structure of various organisms, including humans. Comparative anatomy is concerned with the structural differences of pl...

bursa, in anatomy

(Encyclopedia)bursa bûrˈsə [key], closed fibrous sac lined with a smooth membrane, producing a viscous lubricant known as synovial fluid. Bursas are found in regions where muscles or tendons rub against other mu...

Brain, Dennis

(Encyclopedia)Brain, Dennis, 1921–57, British horn player. Brain studied with his father, Aubrey, at the Royal Academy of Music in London. He played principal horn with first the Royal Philharmonic and then the P...

Brain Trust

(Encyclopedia)Brain Trust, the group of close advisers to Franklin Delano Roosevelt when he was governor of New York state and during his first years as President. The name was applied to them because the members o...