Foetal digestive system. Exceptional for an anuran foetus is the straight and differentiated gut, with an oesophagus, the transparent and the dark intestines (stomach) and a rectum, as well as the large liver lobes. Additionally, shown are small lungs (as well small in adults), the heart, kidney and gonads. Redrawn after Angel and Lamotte (1944a).

  Part of: Sandberger-Loua L, Müller H, Rödel M-O (2017) A review of the reproductive biology of the only known matrotrophic viviparous anuran, the West African Nimba toad, Nimbaphrynoides occidentalis. Zoosystematics and Evolution 93(1): 105-133.