MCQOPTIONS
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| 1. |
Vaginal endothelium is derived from: |
| A. | Endoderm of urogenital sinus |
| B. | Mesoderm of urogenital sinus |
| C. | Endoderm of genital ridge |
| D. | Mesoderm of genital ridge |
| Answer» B. Mesoderm of urogenital sinus | |