It may follow a diminished functional activity, as in the atrophying thymus gland' and in the muscle cells of the uterus after parturition.
2
Viviparous parturition is known among the Caudata (Salamandra, Spelerpes fuscus), and the Apoda (Dermophis thomensis, Typhlonectes cornpressicauda); also in a little toad (Pseudophryne vivipara) recently discovered in German East Africa (41).
3
The product can also be used to induce parturition in cattle.