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
Overview. Mexico's only endemic marine mammal, the vaquita is a slender porpoise with distinctive dark rings around the eyes and mouth. It is the world's smallest and most endangered cetacean, and lives in the warm shallow coastal waters in the northern end of the Gulf of California.The vaquita is the only species of porpoise to live in such warm waters, and can uniquely tolerate large fluctuations in temperature.eight: approx. 55 kg. The vaquita is the worldâs smallest and most endangered marine cetacean. Its skin is dark grey above, fading to pale grey or white below. Vaquitas have distinctive dark rings around the eyes and mouth, and a dark stripe from the chin to the base of the flipper.