Figure 1From: Hamster oocyte membrane potential and ion permeability vary with preantral cumulus cell attachment and developmental stageRepresentation of isolated cells. (A) Cumulus enclosed oocyte at the preantral stage. (B) Cumulus free oocyte at the preantral stage. (C) Metaphase II cumulus enclosed oocyte. (D) Metaphase II cumulus free oocyte.Back to article page