definition of muscle structure
Noun. 1. muscular structure-the muscular system of an organism. muscle system, musculature. system-a group of physiologically or anatomically related organs or parts; the body has a system of organs for digestion.muscular tissue, muscle-animal tissue consisting predominantly of contractile cells.. muscular structure-the muscular system of an organism. muscle system, musculature. system-a group of physiologically or anatomically related organs or parts; the body has a system of organs for digestion.