microcosm

noun4

1. •
   Human nature or the human body as representative of the wider universe; man considered as a miniature counterpart of divine or universal nature.
2. •
   A smaller system which is seen as representative of a larger one.

   • With a few actors at his disposition he created a microcosm of life. — 1924
3. •
   A small natural ecosystem; an artificial ecosystem set up as an experimental model.

   • The method is relatively labour intensive (24-30 microcosms are run) and more difficult to interpret when compared with other microcosm methods (Shannon et al. 1986; Cairns & Cherry 1993). — 2009
4. •
   (no longer used) The human body; a person.

   • If you see this in the Map of my Microcosme, followes it that I am knowne well enough too? — 1608