In spermiogenesis, about 5% of the overall seminal volume, the bulbourethral glands are involved with pre-ejaculatory secretions for lubrication and preparation of the urethra for the passage of the semen.
What are bulbourethral glands?
Near the base of the male reproductive organ, there are two tiny, pea-sized bulbourethral (Cowper's) glands that are paired.
* Each gland has a little channel that enters the penile part of the urethra's proximal end.
* The bulbourethral glands release an alkaline mucus-like substance in response to coital stimulation.
* The fluid secreted during the coital activity maintains the neutrality of pH urine and also helps in lubrication.
Hence, the answer is bulbourethral glands.
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