Usually loose connective tissue is considered a parent category that includes the mucous connective tissue of the fetus, areolar connective tissue, reticular connective tissue, and adipose tissue.
Copper is a really interesting metal. Because of it's ability to heal itself by oxidation it has been associated with all sorts of mystical bits for a long time. In Ceremonial Magick copper is related to the planet Venus and has been used in talismans where you need to work with either Venus, Libra or Taurus energies. Because of the Venus connection it has a strong association with the feminine energies also.
Copper is a chemical element with the symbol Cu and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is soft and malleable; a freshly exposed surface has a reddish-orange color.