a mature, female reproductive cell or egg, typically larger than a sperm cell, capable of fusing with a sperm cell during fertilization to form a zygote
Örnekler
During ovulation, a mature ovum is released from the ovary and travels down the fallopian tube.
Yumurtlama sırasında, olgun bir yumurta yumurtalıktan salınır ve fallop tüpünden aşağı doğru ilerler.