invigoration mechanism
1Equisetum — Horsetail redirects here. For other uses, see Horse tail (disambiguation). Equisetaceae Temporal range: Late Mesozoic [1] to Recent …
2anthropology — anthropological /an threuh peuh loj i keuhl/, anthropologic, adj. anthropologically, adv. /an threuh pol euh jee/, n. 1. the science that deals with the origins, physical and cultural development, biological characteristics, and social customs… …