Which metaphor indicates the macrocosm?

For its thousand years’ tradition,how can Traditional Chinese Medicine’s profundity be summarized?Most prominent is the “unity of man and nature”—the concept of life which lays much stress on the relations between man and nature.Considering the universe as an indivisible whole,the human body can be seen as a “microcosm” and the universe an “enlarged person.” Internally,the human body is also a perfect system,consisting of the sub-physiological systems of the five viscera,six hollow organs,meridians,qi and blood and so on.They complement and influence each other functionally and pathologically.