[Histonet] Histo arcania ... Reticulum vs Reticulin

Morken, Timothy Timothy.Morken <@t> ucsfmedctr.org
Fri Nov 8 11:52:56 CST 2013

Here is a bit more on the terms

this article gives some background on  Reticulin vs Reticulum


Briefly, "Reticulin" refers specifically to collagen III. "Reticulum" is an old term that referred to generalized staining of "reticular fibers" and at that time they had no idea of the varieties of collagen. Since the silver stain has been shown to be non-specific the term "Reticulum" may be more correct for the generalized staining.

Also see



Histochemistry.<http://www.ncbi.nlm.nih.gov/pubmed/711512> 1978 Sep 15;57(3):177-87.
Silver impregnation methods for reticulum fibers and reticulin: a re-investigation of their origins and specificity.
Puchtler H<http://www.ncbi.nlm.nih.gov/pubmed?term=Puchtler%20H%5BAuthor%5D&cauthor=true&cauthor_uid=711512>, Waldrop FW<http://www.ncbi.nlm.nih.gov/pubmed?term=Waldrop%20FW%5BAuthor%5D&cauthor=true&cauthor_uid=711512>.

Tim Morken
Supervisor, Electron Microscopy and Neuromuscular Special Studies
UC San Francisco Medical Center
San Francisco, CA

From: Rene J Buesa [mailto:rjbuesa <@t> yahoo.com]
Sent: Friday, November 08, 2013 6:46 AM
To: Morken, Timothy; Histonet
Subject: Re: [Histonet] Histo arcania ... Reticulum vs Reticulin

There is only a semantics difference. "Reticulum" is a connective mesh holding together some organs components such as liver, spleen, lymph nodes and bone marrow. In the German literature is called "glitterfassern" and many silver stains, such as Gomori, are specific for it.
"Reticulin" is used either to refer to the "holding mesh" or to the stain, especially when dealing with bone marrow specimens.
René J.

From: "Morken, Timothy" <Timothy.Morken <@t> ucsfmedctr.org<mailto:Timothy.Morken <@t> ucsfmedctr.org>>
To: Histonet <histonet <@t> lists.utsouthwestern.edu<mailto:histonet <@t> lists.utsouthwestern.edu>>
Sent: Thursday, November 7, 2013 6:02 PM
Subject: [Histonet] Histo arcania ... Reticulum vs Reticulin

Oh Great Histonet, how do you describe the difference, if any, between the terms "reticulum" and "reticulin."

Tim Morken
Supervisor, Electron Microscopy and Neuromuscular Special Studies
UC San Francisco Medical Center
Box 1656
505 Parnassus Ave
San Francisco, CA 94143

415.353.1266  (office)
tim.morken <@t> ucsfmedctr.org<mailto:tim.morken <@t> ucsfmedctr.org><mailto:tim.morken <@t> ucsfmedctr.org<mailto:tim.morken <@t> ucsfmedctr.org>>

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