) Lyme disease --a disease caused by a spiral-shaped bacterium called Borrelia burgdorferi, spread by black-legged deer ticks.
(a disease; caused; by a spiral-shaped bacterium) (a spiral-shaped bacterium called Borrelia burgdorferi; spread; )
a disease a spiral-shaped bacterium called Borrelia burgdorferi
caused spread
by a spiral-shaped bacterium