Male reproductive gland and Reproductive organ

Male reproductive gland noun - The reproductive organs of a man.

Reproductive organ and male reproductive gland are semantically related. In some cases you can use "Reproductive organ" instead a noun phrase "Male reproductive gland".

Reproductive organ noun - Any organ involved in sexual reproduction.

Male reproductive gland and reproductive organ are semantically related. Sometimes you can replace phrase "Male reproductive gland" with "Reproductive organ", this phrases are similar.