Slide DMS057 [Lymph node]. Study this slide of a lymph node as an example of the arrangement of reticular fibers. The reticular fibers are the rather delicate, black-staining strands supporting the parenchyma and contributing to the perivascular connective tissue.Reticular connective tissue. Reticular connective tissue is so named for the predominance of reticular fibers (Type III collagen) in it. Such reticular tissue is found primarily in the blood forming organs and in glands (to be studied in more detail later) where it forms a supportive framework around the gland cells and blood vessels. Silver impregnations are commonly used to demonstrate the fine reticular (argyrophilic i.e. "silver-loving") fibers. They are not visible in H + E preparations.

Note how the delicate reticular fibers (dark) surround and support the paranchymal cells here.