Fig. #1. The above diagram might be a better example of a spiraling helix. The seeming separations between the layers are representations of Placental-type barriers that allow difference to exist within the helix as a whole.
Fig. #1. The above diagram might be a better example of a spiraling helix. The seeming separations between the layers are representations of Placental-type barriers that allow difference to exist within the helix as a whole.