Multiple choice

Which of the following is the middle layer of the uterine wall that functions to induce uterine contractions?

  1. Myometrium

  2. Myocardium

  3. Endometrium

  4. Cumulus oophorus

  5. Perimetrium
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A Correct answer
Explanation

The myometrium is the middle layer of the uterine wall consisting mainly of uterine smooth muscle cells but also of supporting stromal and vascular tissues. Its main function is to induce uterine contractions. The myometrium is located between endometrium (the inner layer of the uterine wall) and serosa or perimetrium (the outer uterine layer).

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