erythrocyte sedimentation rate (ESR), the rate at which red blood cells settle out in a tube of unclotted blood, expressed in millimeters per hour. Blood is collected in an anticoagulant and allowed to form a sediment in a calibrated glass column.
The Butterfly Circus (2009) The Butterfly Circus is the story of a renowned circus troupe traveling through the devastated American landscape at the height of the Great Depression, lifting the spirits of audiences ... See full summary Â».
A circus is a company of performers that may include clowns, acrobats, trained animals, trapeze acts, musicians, hoopers, tightrope walkers, jugglers, unicyclists and other object manipulation and stunt-oriented artists.irst attested in English 14th century, the word circus derives from Latin circus, which is the romanization of the Greek ÎºÎ¯ÏÎºÎ¿Ï (kirkos), itself a metathesis of the Homeric Greek ÎºÏÎ¯ÎºÎ¿Ï (krikos), meaning circle or ring.