title: A comparative study of the correlations existing in the ratio between nucleolar dimensions and number of nucleolini in the oocytes of amphibia.
mesh_terms: D000663:Amphibians / Q000033:anatomy & histology*; D000818:Animals; D001001:Anura; D002466:Cell Nucleolus; D005260:Female; D010063:Ovum / Q000166:cytology*; D011893:Rana esculenta; D013045:Species Specificity; D014319:Triturus