variants
also trigon
: a triangular body part
specifically
: a smooth triangular area on the inner surface of the bladder limited by the apertures of the ureters and urethra
Cite this Entry
“Trigone.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/trigone. Accessed 30 Jun. 2025.
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