luǎn​zǐluǎn​zi

ovum

卵子 luǎn​zǐ frequency
ovum noun

A fertilized egg is formed by the union of sperm and ovum.

卵子 luǎn​zi
testicles noun
the male reproductive glands; testes

Due to illness, one of his testicles showed noticeable swelling.

penis noun
the male reproductive organ

He was injured in the accident, which caused severe swelling in his testicular area.

Frequency

Movie subtitles
3.13 per million appears in 1% of films
Written text
2.41 per million

Sources

Definitions
CC-CEDICT