Examlex
A planetary nebula is
Semen
A fluid containing spermatozoa and secretions from the male reproductive system, discharged during ejaculation.
Urethral Opening
In females, the opening in the urethra, through which urine is expelled. In males, the opening in the urethra, through which semen is ejaculated and urine is excreted.
Pelvic Cavity
The space within the pelvis that contains reproductive organs, the urinary bladder, and the rectum.
Penis Root
The base part of the penis where it attaches to the pelvic bones.
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