Author: Nat Pernick, M.D. (see Authors page)

Revised: 3 December 2015, last major update October 2013

Copyright: (c) 2003-2015,, Inc.

PubMed Search: collagen[title]
Cite this page: Collagen. website. Accessed December 17th, 2018.
Definition / general
  • Type I collagen: dermis, tendons and bone
  • Type II collagen: cartilage
  • Type III collagen: fetal skin, scars, arterial walls
  • Type IV collagen: normal constituent of basement membrane surrounding noninvasive glandular epithelium; discontinuous or complete absence of basement membrane staining surrounding colonic adenocarcinoma (Am J Surg Pathol 2002;26:206)
Uses by pathologists
Microscopic (histologic) images

Images hosted on other servers:

CIN/VIN: double immunostaining with cytokeratin