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 butterfly is a flying insect of the order âLepidopteraâ (an order of insects with broad wings which have minute overlapping scales). In Greek, âLepidopteraâ means âscaled wingsâ. This order belongs to the superfamily âHesperioideaâ or âSkippersâ as they are commonly called.