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
Species Overview. In addition to being the smallest member of the porpoise family, vaquita are the smallest of all known cetaceans, have the most restricted range, and are the most critically endangered of all cetaceans. Native to Mexico, their scientific name, Phocoena sinus means âporpoise of the gulfâ.n addition to being the smallest member of the porpoise family, vaquita are the smallest of all known cetaceans, have the most restricted range, and are the most critically endangered of all cetaceans. Native to Mexico, their scientific name, Phocoena sinus means âporpoise of the gulfâ.