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At one pole, known as the animal pole, the cytoplasm appears to be more active
and contains the nucleus (meiotic divisions occur in this region); at the other,
called the vegetal pole, the cytoplasm is less active and contains most of the yolk.
The sounds of this sort of breathing, called amphoric, resemble the noise
produced by blowing over the mouth of an empty bottle. Ordinary breathing does
not produce loud sounds. Much louder ones are produced when a person
whispers or ...
When the gastric mucus is removed from the surface epithelium, small pits, called
fo- veolae gastricae, may be observed with a hand magnifying glass. There are
approximately 90 to 100 gastric pits per square millimetre (58,000 to 65,000 per ...
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review