TY - RPRT TI - Why does a cleavage plane develop parallel to the spindle axis in conical sand dollar eggs? A key question for clarifying the mechanism of contractile ring positioning. AU - Tomoyoshi Yoshigaki PY - 2003 DO - 10.1006/jtbi.2003.3186 UR - https://pubmed.ncbi.nlm.nih.gov/12628230/ ID - 12628230 ER -