Patterns of maternal provision and embryonic mobilization of calcium in oviparous and viviparous squamate reptiles.

摘要

Embryos of oviparous squamate reptiles obtain all organic and most inorganic nutrients from yolk; yolkprovides 19–86% of hatchling calcium content. The remaining calcium is extracted from the eggshell. Yolk calciumprovision to viviparous embryos a