FIG. 4. .
Ovarian follicle development in LMB. Stages I to VI are as follows: (I) primary growth, (II) cortical alveoli, (III) early vitellogenesis, (IV) late vitellogenesis, (V) early oocyte maturation, and (VI) late oocyte maturation. Abbreviations are cortical alveoli (CA), germinal vesicle (GV), lipid droplet (LD), lipoprotein yolk (LY), and oil globule (OG). Bars = 200 μm (I, II, and III), and 1.0 mm (IV, V, and VI).