41. While the ovaries will develop, female mice will develop without a uterus and oviducts . 42. But they had some extras _ oviducts , uterus and the upper bit of a vagina. 43. The sperm may be retained in storage tubes attached to the oviduct until the following spring. 44. After fertilization, the conceptus travels down the oviduct towards the uterus while continuing to cleavage. 45. After hatching, the pups remain in the oviduct and receive additional nutrition from milky secretions. 46. The eggs travel along the oviduct . 47. Other species are ovoviviparous and the fertilised eggs are retained in the mother's oviduct . 48. They however lack a right oviduct . 49. The female portion contains the oviduct , transferring eggs from the common duct to the atrium. 50. Adult females have a single functional ovary, on the right, and two functional oviducts .
