Source:http://linkedlifedata.com/resource/umls/id/C0029048
MSH: Euploid female germ cells of an early stage of OOGENESIS, derived from primordial germ cells during ovarian differentiation. Oogonia undergo MEIOSIS and give rise to haploid OOCYTES,NCI: The primitive differentiated female gamete which gives rise to an oocyte. (MeSH)