Final Answer:
The external urethral orifice is an opening located in the perineum, and it is not a structure.
Step-by-step explanation:
The external urethral orifice is the opening at the external end of the urethra, which is a du-ct that conducts urine from the bladder to the exterior of the body. In males, it is situated at the tip of the pe-nis, while in females, it is found in the vestibule of the vulva, within the perineal region. It serves as the exit point for urine during the process of micturition (urination). Importantly, the external urethral orifice is not a distinct structure but rather the endpoint of the urethra, marking the termination of the urinary tract and the beginning of the external environment.
In summary, the external urethral orifice is an opening located in the perineum and is not a separate anatomical structure.