Fig. 4
From: Ultrastructure of oogenesis in imposex females of Babylonia areolata (Caenogastropoda: Buccinidae)
Late vitellogenic oocytes (LVO) of B. areolata. a LVO of normal female. b Nuage-like material (asterisk) surrounded by mitochondria (M) in LVO of normal female. c Ooplasm of LVO of normal female. d Ooplasm of LVO of imposex female showing many large lipid droplets (L). CG cortical granule, N nucleus, Nu nucleolus, V electron-lucent vesicle, Y yolk body. Scale bars = 0.5 μm (b), 1 μm (d) and 2 μm (a, c)