Star Trek: Serenity
Regellian Biomimmetic Parasite
Regellian Parasites may be cut and stitched together to act las prosthetic bone and muscle. A skilled craftsperson can stitch RBP’s into a leg, or an arm or whatever is needed.
Regellian Biomimmetic Parasites gain their sustenance from thier host. As such the host is required to have a diet rich in Suldoon Kelp so that the prosthetic gets all the nutrients it needs.
RBP’s are translucent and take on the colour of the hosts blood.
The Eel can heal itself at the same rate as the host.