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Multiple Choice
Which of the following statements about myoid cells is true?
A
When they contract, they cause wrinkling of the scrotal skin.
B
They surround the seminiferous tubules and contract rhythmically to squeeze sperm and testicular fluid through the tubules out of the testes.
C
They form a duct that conveys sperm from the epididymis to the prostate gland.
D
They elevate the testes.
Verified step by step guidance
1
Identify the role of myoid cells in the male reproductive system. Myoid cells are specialized smooth muscle cells located in the testes.
Understand the location of myoid cells. They are found surrounding the seminiferous tubules, which are the site of sperm production in the testes.
Recognize the function of myoid cells. These cells contract rhythmically to help move sperm and testicular fluid through the seminiferous tubules.
Differentiate the function of myoid cells from other structures. Unlike the cremaster muscle, which elevates the testes, myoid cells do not have this function.
Conclude that the true statement about myoid cells is that they surround the seminiferous tubules and contract rhythmically to facilitate the movement of sperm and fluid through the tubules.