Dense irregular connective tissue

Source: Wikipedia, the free encyclopedia.
Illustration of dense irregular connective tissue (deep dermis)

Dense irregular connective tissue has fibers that are not arranged in parallel bundles as in dense regular connective tissue.

Dense irregular connective tissue consists of mostly collagen fibers. It has less ground substance than loose connective tissue.[1] Fibroblasts are the predominant cell type, scattered sparsely across the tissue.[2]

Function

This type of connective tissue is found mostly in the

collagenous fibers, dense irregular connective tissue provides strength, making the skin resistant to tearing by stretching forces from different directions.[4]

Dense irregular connective tissue also makes up submucosa of the digestive tract, lymph nodes, and some types of fascia.[5] Other examples include periosteum and perichondrium of bones, and the tunica albuginea of testis. In the submucosa layer, the fiber bundles course in varying planes allowing the organ to resist excessive stretching and distension.

References

  1. ISBN 978-0-07-180798-2
    .
  2. ^ "Connective Tissue". Archived from the original on 2008-11-07. Retrieved 2008-11-27.
  3. ^ "Dense irregular connective tissue". Archived from the original on 2009-09-25. Retrieved 2009-10-17.
  4. ISBN 978-1451187427
    .
  5. ^ "Dense irregular connective tissue 2". Archived from the original on 2009-09-23. Retrieved 2009-10-17.


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