Medical Definition of functional. 1a: of, connected with, or being a functionâcompare structural 1b: affecting physiological or psychological functions but not organic structure functional heart disease a functional psychosisâcompare organic 1b. 2: performing or able to perform a regular function.
Known for Four Apostles woodcuts, engravings and Melencolia interest in Italian concepts Albrecht Altdorfer German painter, engraver, and architect of the Renaissance. Regarded to be the main representative of the so-called Danube School setting biblical and historical subjects against landscape backgrounds of expressive colors.
He was particularly recognised for his watercolours of â¦ the Australian bush. He won the Wynne Prize for landscape painting a record nine times.  Wilhelm Ernst Hans Franz Heysen was born in Hamburg, Germany.