When placed on a temperature gradient, a Drosophila larva navigates away from excessive cold or heat by regulating the size, frequency, and direction of reorientation maneuvers between successive periods of forward movement.Forward movement is driven by peristalsis waves that travel from tail to head.During each reorientation maneuver, the larva pa

Purpose: To report maculopathy associated with the long-term use of fondaparinux, a heparin mimetic and inhibitor of the extracellular matrix enzyme, heparanase.Observations: A 41-year-old woman receiving thrice weekly injections of fondaparinux as prophylaxis against deep vein thrombosis for 9 years noticed gray spots in her vision without metamor

Background: With the increasing demands for adult orthodontics, a growing need arises to bond attachments to porcelain surfaces.Optimal adhesion to porcelain surface should allow orthodontic treatment without bond failure but lock shock and barrel art not jeopardize porcelain integrity after debonding.The present study was carried out to compare th