Which of the following structures in the human body is NOT gender-specific?

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E6 Physiology Essentials Sembulingam 10e Part 2 p. 108-110
E6 Histology Inderbir 11e p. 105-107
Practise the full UPRVUNL - 2021
Attempt every question from this paper in a timed mock, then review the full solution for each one.