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Umbilical Cord

Notes

The umbilical cord consists of so-called "mucous" or mesenchymal connective tissue, also called Wharton's jelly (widely scattered mesenchymal fibroblasts within soft, jelly-like ground substance of hyaluronic acid and chondroitin sulfate), surrounded by a thin stratified squamous epithelium and including typically two arteries and one vein.  [The second vein in this image presumably represents one portion of a double U-shaped bend in this single vein.]  The arteries lack internal and external elastic layers.


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Comments and questions: dgking@siu.edu

SIUC / School of Medicine / Anatomy / David King

http://www.siumed.edu/~dking2/erg/RE054b.htm
Last updated:  5 April 2002 / dgk