Final answer:
The deep perineal space in males contains the membranous urethra and the bulbourethral glands, which play roles in urinary function and sexual arousal.
Step-by-step explanation:
The contents of the deep perineal space in males primarily include the membranous urethra and the bulbourethral glands. These structures are crucial for the male urogenital function. The membranous urethra is a segment of the urethra surrounded by urethral sphincters and passes through the deep muscles of the perineum. The bulbourethral glands, also known as Cowper's glands, produce and secrete mucus to neutralize the acidic environment typical of urine, and additionally aid in lubrication during sexual arousal, facilitating ejaculation. The presence of structures such as the deep transverse perineal muscle plays a role in ejaculation as well. Importantly, the prostate gland, mentioned in some resources, is not located within the deep perineal pouch; it lies above it, around the prostatic urethra.