Error message

Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in book_prev() (line 775 of /home/pathwa23/public_html/modules/book/book.module).


  • Metaplasia refers to a reversible histological replacement of one differentiated cell type with another. Although by definition metaplasia is a reversible adaptation, it frequently precedes and may represent the initial steps of malignant transformation.
  • Metaplasia is frequently induced by chronic cellular injury and represents an adaptation in which a tissue replaces a sensitive cell type with one better able to resist the injury. Use the search function for specific examples.