noun🔗Share난자The female gamete in animals; the egg cell."The doctor explained that fertilization happens when a sperm cell unites with the ovum. "의사는 정자가 난자와 결합할 때 수정이 일어난다고 설명했다.physiologybiologyanatomysexorganismmedicinehumananimalChat with AIVocabulary GamePractice Reading