The islets contain alpha cells secreting glucagon, beta cells secreting insulin, and delta cells secreting somatostatin.

胰岛包含分泌胰高血糖素的α（A）细胞，分泌胰岛素的β（B）细胞和分泌生长抑素的δ（D）细胞。

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If the mutation, called Delta 32, is inherited from both parents, it prevents HIV from attaching itself to cells by blocking CCR5, a receptor that ACTS as a kind of gateway.

假设将从父母遗传的基因突变称作Delta 32，它通过阻断CCR5来阻止HIV附着于细胞上，CCR5是一种通道受体。

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Mr. Morsi spoke in an ornate palace that Mr. Mubarak inaugurated three decades ago, a world away from the Nile Delta farm where the new president grew up, or the prison cells where he had been confined by Mr. Mubarak for his role in the Brotherhood.

MSN: US must respect Arab values, says Egypt��s Morsi