Main Entry: mac·ro·struc·ture

Pronunciation: \ˈmak-rō-ˌstrək-chər\

Function: noun

: the structure (as of a body part) revealed by visual examination with little or no magnification

—mac·ro·struc·tur·al \ˌmak-rō-ˈstrək-chə-rəl, -ˈstrək-shə-rəl\ adjective