Dense Irregular Connective Tissue · Histology

Which hormone is known to increase the degradation of collagen in dense irregular connective tissues during pregnancy?

  1. Relaxin
  2. Insulin
  3. Thyroxine
  4. Melatonin
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Correct answer: Relaxin

Relaxin targets the dense irregular connective tissues of the pelvic ligaments and the cervix. It stimulates collagenase activity to soften the tissue, allowing for easier passage of the fetus during birth.

Difficulty: Medium Question 16 of 20

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