A transplant for implanting into {TAIL ~ a host organism}, comprising {HEAD ~ cells} encapsulated by a matrix, the matrix comprising: 
A transplant for implanting into { TAIL ~ a host organism } , comprising { HEAD ~ cells } encapsulated by a matrix , the matrix comprising :
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH