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».
Shares & Saves. Save. Also called the pupa, the chrysalis is the third stage in the life cycle of a butterfly. It is during this stage that the caterpillar transforms into an adult, developing characteristics such as legs and wings.hen a butterfly egg hatches, a ravenous caterpillar emerges and eats as much as it can. When it reaches full size, the caterpillar sticks itself to the underside of a leaf with a small tab of silk and forms a hard layer of skin called a chrysalis.