1910–1911
Britannica 11th
Encyclopaedia Britannica · 11th edition
EPITHELIAL, ENDOTHELIAL and GLANDULAR TISSUES, in anatomy. Every surface of the body which may come into ^^^ contact with foreign substances is covered with a ium'. ' protecting layer of cells closely bound to one another to form continuous sheets. These are epithelial cells (from fhj\fi, a nipple). By the formation of outgrowths or ingrowths from these surfaces further structures, consisting largely DC. 23 or entirely of cells directly derived from the surface epithelium, may be formed. In this way originate the c…
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- Vol. 9, pp. 705-707