Caution! The site can't guarantee, that text has age permission. The site is not recommended, if you are less than 18 years old.
The site shows example sentences for English words. How the word or phrase could be used in a sentence?
" ... Figure 2. Schematic illustration of the hypothetical four stages of the evolution of edentulism.... [+] Stage 1, neither edentulism nor heterochronic truncation of tooth formation. Stage 2, ontogenetic edentulism, heterochronic truncation of tooth replacement occurs after the eruption of functional generations of teeth. Stage 3, complete edentulism, heterochronic truncation occurs at the cessation of embryonic tooth formation. Stage 4, complete edentulism, heterochronic truncation occurs at the onset of embryonic tooth formation, as indicated by the existence of tooth primordia in modern birds. (doi:10.1098/rsbl.2018.0090) ... "