Duchenne Muscular Dystrophy - an x-linked recessive neuromuscular disease which targets males.

DNA - Deoxyribonucleic Acid

Dystrophin - the protein that binds muscle fibers together.

Exon - a DNA "plateau"

Hypertrophy - growth (particularly of a muscle)

Intron - a DNA "valley"

Myocardium - heart muscle

Psuedohypertrophy - "false growth" especially in muscle tissue

X-Linked Recessive - on the X chromosome and it is a recessive trait (does not show up often, is not dominant).