Relating to or affecting the genitals or genital organs; pertaining to the external reproductive structures.
From genital (Latin 'genitalis', relating to generation or reproduction) + '-al' (adjective suffix); a more formal variant of 'genital' emphasizing the anatomical character.
Medical texts use 'genitalial' to sound more clinical and precise, distinguishing it from casual use of 'genital'—it's the kind of word doctors use in reports to maintain professional distance from sensitive body parts.
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