FIG. 8 in Between Vanuatu tides: 3D anatomical reconstruction of a new brackish water acochlidian gastropod from Espiritu Santo

FIG. 8. — Transverse histological sections of Pseudunela espiritusanta n. sp.: A, oral tube gland, anterior pedal gland; B, transition kidneynephroduct;C, renopericardial duct;D, heart,arrow points to valve;arrowheads point to epicardial cells of unknown function. Abbreviations: ao, aorta; apg, anterior pedal gland; i, intestine; k, kidney; kn, narrow lumen of kidney; kw, wide lumen of kidney; nd, nephroduct; ot, oral tube; otg, oral tube gland; rpd, renopericardioduct; sp, spicule cavity; v, ventricle. Scale bars: A, C, 100 μm; B, 25 μm; D, 50 μm.