OVARY • DICCIONARIO INGLES.COM • Definition of Ovary

... mammals, as well as all the vertebrates, where, however, it is subject to variations as to time of development and limit of existence in the normal condition. In the chick, it is only after the fourth day that the genital gland begins to determine whether it will turn into an ovary or a testicle; in the rabbit it is on the fifteenth day, and in the human embryo on the thirtieth day. Hermaphrodism does not occur, however, from this at first uncertain state of affairs, but rather from subsequent developments of the external organs that by their abnormality of formation ...

— History of Circumcision from the Earliest Times to the Present - Moral and Physical Reasons for its Performance • Peter Charles Remondino

... with two yolks. This condition is produced by two ovary capsules bursting at about the same time and gaining entrance together into the oviduct where they are concealed in the same shell. Double-yolked eggs are larger than normal and may injure the oviduct when expelled. When hatched, they ...

— The Veterinarian • Chas. J. Korinek