“…There is better evidence for a comparable conversion into macrophage like cells, both in prenatal (20) and postnatal (61) human ovaries and in those of lower vertebrates (18,23). General accounts of the architecture and form changes of the ovarian stroma have been given by several authors (4,7,12,16,41,46,47). from 2 weeks to 15 years, comprising 17 aged 2 weeks to 3 months, 15 from the rest of the first year, 7 from the second year, 8 aged 2-5, 15 aged 5-10 and 6 aged 10-15, furnishing bilateral pairs in seven only.…”