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.
Connecting with the crystals, Copper can smoothly transmit their energies to the holder, communicating knowledge from higher realms to the conscious and subconscious mind. Copper is a popular tool for healing and works with all of the Chakras to pull in energies from higher realms into the physical world. In healing, Copper works to bring those higher energies into every cell for the remembering of the original state of perfection.