A purine is a heterocyclic aromatic organic compound. It consists of a pyrimidine ring fused to an imidazole ring. Purines, which include substituted purines and their tautomers, are the most widely occurring nitrogen-containing heterocycle in nature.his is called complementary base pairing. In RNA, the complement of adenine is uracil instead of thymine. Other notable purines are hypoxanthine (4), xanthine (5), theobromine (6), caffeine (7), uric acid (8) and isoguanine (9).
However, because of Christ and His death on the cross, the meaning of the cross today is completely different. In Christianity, the cross is the intersection of Godâs love and His justice. Jesus Christ is the Lamb of God who takes away the sin of the world (John 1:29). The reference to Jesus as the Lamb of God points back to the institution of the Jewish Passover in Exodus 12.
I feel the circle on the Celtic cross is symbolic of the Celts belief in the cycle of life. There is a pattern to everything â from beginning to end, we always come back to where we started and begin again. The seasons had great meaning for the Celts and played a role in Celtic Astrology. We pass through Spring, Summer, Fall, Winter, and return again to Spring. I believe this also plays into the symbolic meaning of the Celtic cross. There is a balance to life, a pattern and a circle. It provides a wholeness that connects everything. This is the Celtic cross meaning. What does the cross on the Celtic cross mean? We know that the Cross is a symbol that predates Christianity. The four arms of the cross have a different meaning in different cultures.