W. C. SPAIN, M.D., F.A.C.P.
One of the prominent and important functions of the living cell, even in its most primitive forms, is its ability to cope with substances of foreign origin with which it has come into contact. Metchnikoff pointed out that unicellular organisms, such as the ameba, and many cells of complex structure, such as the metazoan bodies, employ this facility for nutritional purposes. Some cells of the higher forms of life may retain their ancestral trait of assimilating certain types of foods not ingested by first intention.1 The majority of such cells, members of the reticuloendothelial system, aided by components of the
SPAIN WC. THE IMMUNOLOGIC ASPECTS OF ALLERGIC CONDITIONS1. Ann Intern Med. ;38:188–198. doi: 10.7326/0003-4819-38-2-188
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Published: Ann Intern Med. 1953;38(2):188-198.
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