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semi-liquid mass of partially digested food and gastric juices, produced in the stomach.
a perforated wall or part of a wall at the end of one of the individual cells making up a sieve...
broad group (taxon) in the biological classification system, which is then divided into kingdoms...
an infectious disease that is widespread in tropical and subtropical parts of the world and is...
a small, corky pore or narrow line on the surface of the stem of a woody plant that allows the...