Fig. 2. Oogenesis defects in fng hypomorphs. (A-H) Follicles with nuclei stained (Hoechst) and oocytes (asterisks) and interfollicular stalks (arrows) are indicated. (I,J) Follicles stained with Phalloidin (red) and Hoechst (blue). (A,B) wild type. (C) fng⁵²/fng^M69 follicle with two 16-cell cysts. (D) fng⁵² follicle with six nurse cells. (E) fng²/fng⁸⁰ stalk with nine cells. (F) fng⁵² stalk with a cluster of cells. (G) fng²/fng^M69 double stalk. (H) fng⁵² ovariole with an abnormal epithelium at the posterior of stage 5 and stage 9 follicles (arrowheads). (I) Posterior of a wild type stage 7 follicle with follicular cells in a monolayer. (J,J') Posterior of a fng⁵² stage 7 follicle with follicular cells that do not form a monolayered epithelium (large arrow). Nuclei of two adjacent cells (small arrows) and a round cell that does not contact the germline (arrowhead) are indicated.