noun, noun which may take the genitive case particle 'no'
perineum
Anatomical term for the region between the anus and the external genitalia.
If you have persistent pain in the perineal area, please consult a doctor.
episiotomy; perineotomy
perineal artery
superficial transverse perineal muscle
deep transverse perineal muscle
transperineal biopsy
Standard kanji spelling for the anatomical term.
The kanji 会 (meeting/joining) and 陰 (shade/yin) combine to refer to the perineum, a junction point in the body. The exact historical derivation is uncertain.