Chapter 10 The liver, biliary tract and pancreas/Fig 10.18.jpg

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Islet blood supply. The vasculature in this pancreas has been injected with India Ink. The islets have been immunostained to show insulin-containing B cells. An arteriole (arrowed) enters the islet (I) and divides into intra-islet sinusoids which leave the islet and supply the surrounding exocrine tissue.