An early human ovum.
An early embryo at stage 5 of development is presented. The specimen's estimated age of about ten days makes it one of the youngest human products of conception on record. As such, it provides information on the earliest phases of human development.
D000328:Adult; D010064:Embryo Implantation; D004622:Embryo, Mammalian / Q000033:anatomy & histology*; D005260:Female; D006801:Humans; D011247:Pregnancy