after both short and longer term exposure to [ 3h ] glucosamine , the maximum uptake of label in preantral follicles occurred 4-8 h after the injection of hcg , indicating that hcg rather than pmsg probably exerts the greatest control over the uptake and incorporation of [ 3h ] glucosamine into the zona pellucida and oocyte of preantral follicles .
C0043519
zona pellucida
C0029045
oocyte