Junqueira's Basic Histology: Text and Atlas, Thirteenth Edition by Anthony Mescher

Author:Anthony Mescher [Mescher, Anthony]
Language: eng
Format: epub
Tags: Medical, Histology
ISBN: 9780071780339
Publisher: McGraw-Hill Medical
Published: 2013-01-22T14:00:00+00:00

FIGURE 14–4 Reticular fibers and cells of lymphoid tissue.

(a) A three-dimensional framework of reticular fibers (collagen type III) supports the cells of most lymphoid tissues and organs (except the thymus). Areas with larger spaces between the fibers offer more mobility to cells than areas in which the fiber meshwork is denser, such as in trabeculae (T) where fewer lymphocytes are aggregated and cells are generally more stationary. X140. Silver impregnation.

(b) Cells of typical lymphoid tissue include the fibroblast-like reticular cells (R) that produce and maintain the trabeculae (T) and reticulin framework. Many cells are loosely attached to the reticulin fibers, including macrophages (M) and many lymphocytes. X240. H&E.

(With permission, from Dr Paulo A. Abrahamsohn, Institute of Biomedical Sciences, University of São Paulo, Brazil.)

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