There is little connective in the peripheryof the pancreas islet,so endocrine portion contacts suff...
胰岛外有极少量的结缔组织,致使内、外泌部得以充密切地接触。
There is little connective in the peripheryof the pancreas islet,so endocrine portion contacts suff...
胰岛外有极少量的结缔组织,致使内、外泌部得以充密切地接触。
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