Cortical fibers in fertilized eggs of the sea urchin Strongylocentrotus purpuratus.
D001345:Autoradiography; D002455:Cell Division; D004447:Echinodermata / Q000166:cytology*; D004625:Embryo, Nonmammalian / Q000166:cytology*; D005306:Fertilization; D007930:Leucine / Q000378:metabolism; D008854:Microscopy, Electron; D013194:Staining and Labeling; D014316:Tritium
D014316:Tritium; D007930:Leucine