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The page below is a sample from the LabCE course Histology Special Stains: Carbohydrates. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Mucopolysaccharides, also known as mucins, are a group of glycoconjugates consisting of polysaccharides linked to proteins. Mucins are gel-like secretions from various epithelial cells and tissues in the body including:
  • Arterial walls
  • Cartilage
  • Cornea
  • GI Tract
  • Heart valves
  • Mast cells 
  • Ovarian follicles
  • Skin 
Mucins are generally categorized as acid mucins or neutral mucins for the purpose of histotechnique.