👉 Mesopterygial is a medical term that refers to the reproductive organs of the male and female reproductive systems. It encompasses both the testes (the male reproductive organ) and the ovaries (the female reproductive organ). These structures are collectively known as the mesonephric ducts, which connect the two reproductive tubes in the fallopian tube. The term "mesopterygial" is derived from Greek roots meaning "middle," "middle ground," or "middle portion."