An ampoule is a small sealed vial which is used to contain and preserve a sample, usually a solid or liquid. Ampoules are commonly made of glass, although plastic ampoules do exist. Modern ampoules are most commonly used to contain pharmaceuticals and chemicals that must be protected from air and contaminants. They are hermetically sealed by melting the thin top with an open flame, and usually opened by snapping off the neck. If properly done, this last operation creates a clean break without an
However, earlier research on blood and muscle samples from llama, alpaca, vicuna, vicuÃ±a, guanaco and alpaca x vicuna vicuÃ±a Hybrids At (Santiago zoo Cappuro and) silva 1960 indicated-a llama guanaco-and alpaca, vicuna vicuÃ±a subdivision as have more recent data (From ribosomal genes., semorile et). al in press
The vaquita is a rare species of porpoise endemic to the northern part of the Gulf of California. The word vaquita is Spanish for little cow. Other names include cochito, desert porpoise, vaquita porpoise, Gulf of California harbor porpoise, Gulf of California porpoise, and gulf porpoise. Since the baiji is thought to have gone extinct in 2006, the vaquita has taken on the title of the most endangered cetacean in the world. It has been listed as critically endangered since 1996. The population