| 摘要 |
Apparatus is provided, including a housing (60), configured for insertion into a body of a subject, one or more photosynthetic oxygen supplies (24), disposed within the housing (60), and at least one layer (70 and 74) of functional cells, disposed within the housing (60). The at least one layer (70 and 74) of functional cells is configured to receive oxygen from the one or more oxygen supplies (24). The housing (60) also includes a gas (40 and 43) configured to permit passage therethrough of the oxygen from the one or more oxygen supplies (24) to the cells (70 and 74). The gas (40) is disposed at least in part between the layer (70 and 74) of functional cells and at least one of the oxygen supplies (24). Other embodiments are also described.
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