title: Morphological features of the surface of the sea urchin (Arbacia punctulata) egg: oolemma-cortical granule association.
mesh_terms: D000818:Animals; D002462:Cell Membrane / Q000648:ultrastructure; D005260:Female; D005614:Freeze Fracturing; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D010063:Ovum / Q000033:anatomy & histology*; D012617:Sea Urchins; D013499:Surface Properties