The Pearl Button Allende to rehabilitate the surviving tribespeople; the concentration camps set up under Pinochet; how inmates were tortured and how their bodies, weighted with lengths of rail, were dropped from helicopters into the Pacific; how one corpse was washed ashore; and finally how one of the lengths of rail recovered from the sea had a mother-of-pearl shirt button encrusted to it. The Pearl Button The Pearl Button () is a 2015 Chilean documentary film directed by Patricio Guzmán. It was screened in the main competition section of the 65th Berlin International Film Festival where it won the Silver Bear for Best
Pearl body pellucid dots containing toxic secondary metabolites. Pearl body Pearl bodies are small (0.5 - 3.0 mm), lustrous, pearl-like food bodies produced from the epidermis of leaves, petioles and shoots of certain plants. They are rich in lipids, proteins and carbohydrates, and are sought after by various arthropods and ants, that carry out vigorous protection of the plant against herbivores, thus functioning as a biotic defence. They are globose or club-shaped on short peduncles, easily detached from the plant, and are food sources in the same sense as Beltian bodies, Müllerian bodies, Beccarian bodies, Coccid secretions and nectaries. They occur in