title: Microvilli in sea urchin eggs. Differences in their formation and type.
mesh_terms: D000818:Animals; D002462:Cell Membrane / Q000648:ultrastructure*; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D005260:Female; D008871:Microvilli / Q000648:ultrastructure*; D009024:Morphogenesis; D010063:Ovum / Q000648:ultrastructure*; D012617:Sea Urchins; D015053:Zygote / Q000648:ultrastructure*