The spleen is a center of activity of the mononuclear phagocyte system and can be considered analogous to a large lymph node, as its absence causes a predisposition to certain infections.he spleen is a center of activity of the mononuclear phagocyte system and can be considered analogous to a large lymph node, as its absence causes a predisposition to certain infections.
The Celtic knot symbol, is also referred to as the mystic knot, or the endless knot. The more esoteric or spiritual meaning of this symbol eludes to beginnings and endings.In viewing these beautiful knots, we cannot see a beginning or and end, and therefore we are reminded of the timeless nature of our spirit.he Celtic knot symbol, is also referred to as the mystic knot, or the endless knot. The more esoteric or spiritual meaning of this symbol eludes to beginnings and endings.
Many people find Celtic knots mysterious and beautiful, but few know the true meaning of the Celtic knots they wear. The knots originated in the 3rd and 4th B.C. and were used to denote faith, declare love and unity and protect against evil spirits.They also represent infinity and eternity because Celtic knots do not contain beginnings or ends. Two of the most commonly recognized knots are the Celtic Cross and the Trinity Knot.The Celtic Cross is a religious symbol that signifies different things, depending on the religion. In ancient times, the circle may have referenced the sun god.here are two spiral knots, including the Spiral Knot and the Triple Spiral Knot, and the meanings of these Celtic knots are very different despite the similarities in design. The Spiral Knot was first located at and around grave sites and is believed to represent the journey from the physical life to the spirit life.