Word: chickenhearted
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Cell-immortality is not a new demonstration. It has already been demonstrated that one-celled animals can live indefinitely. But from single-celled animals there is a wide gap. Dr. Carrel's chickenheart-tissue is not a chicken. It is in effect a group of single cells living individually in an ideal environment without mutual interdependence. The real importance of the experiment is that it may furnish important information on the processes of tissue growth...
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