nymphohymenal sulcus


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nym·pho·ca·run·cu·lar sul·cus

a groove between the labium minor and the border of the remains of the hymen, in which is the opening of the duct of the greater vestibular gland on either side.

nymphohymenal sulcus

Trench between the labium minus and the hymen on either side.
See also: sulcus