Choriogonadotropin binder til ovarielle theca - (og granulosa -) celler til en transmembran- receptor, der deles med det luteiniserende hormon, LH/ CG- receptoren.
Chorionic gonadotropin binds on the ovarian theca (and granulosa) cells to a transmembrane receptor shared with the luteinising hormone, the LH/ CG receptor.