一胰岛的解剖和组织胰脏是复管泡状腺,呈扁长形(横长达12—15糎),位于胃后,在12指肠襟与脾之间,紧贴于腹腔的后壁,横卧于第一腰椎的高处。全腺分为头、体、尾三部分。头部膨大,在左侧,被十二指肠所包围;体藉一稍窄的颈与头相连,位于胃后;而尾部为体末端较为狭窄的部份,位于最左端,接触脾门。胰脏包括两部:一部是纯浆液的外分泌部,此部分泌胰液(其中含有丰富且重要的消化的酶),汇入导管,而通到十二指肠帮助消化;另一部位便是胰岛了,它散在的分布 An islet anatomy and tissue Pancreas is a complex tubular vesicular gland, was flat (horizontal as long as 12-15 糎), located in the stomach, between the 12 laminectomy and the spleen, close to the posterior wall of the abdominal cavity , Lying on the first lumbar vertebra height. The whole gland is divided into head, body, tail three parts. The head is swollen, on the left, surrounded by the duodenum; the body is connected to the head by a narrow neck, behind the stomach; and the tail is the narrower part of the body, at the far left, touching the spleen. The pancreas consists of two parts: an exocrine part of purely serous fluid, which secretes the secreted pancreatic juice, which contains rich and important digestive enzymes, into the ducts and into the duodenum to help digestion; the other part is Islet, and its scattered distribution