A photomicrograph of a stained semi-thin section of mouse ovary, showing a maturing Graafian follicle. The ovary contains many follicles that contain immature oocytes (egg cells). The follicle is impo...

This is a live image of the bdelloid rotifer Philodina roseola. Bdelloid rotifers are microscopic freshwater invertebrates best known for their capacity to undergo frequent cycles of desiccation and r...

FIG.2C Changes in ER cluster morphology require gamete fusion.

FIG.2B Changes in ER cluster morphology require gamete fusion.

FIG. 3C't, 3C'eq Maturation of cortical ER clusters during different stages of fertilization.

FIG. 4I Changes in cortical ER clusters at the site of sperm binding and incorporation.

FIG. 3Dt, 3Deq Maturation of cortical ER clusters during different stages of fertilization.

SI FIG. 1 Structure of actin layer fenestrae and relationship with plasma membrane

FIG. 1C, 1C', 1C'' ER clusters are positioned under f-actin fenestrae in fixed and live oocytes.

FIG. 3Bt, 3Beq Maturation of cortical ER clusters during different stages of fertilization.