Titlebook: Endocrine Pathology; Ricardo V. Lloyd Book 1990 Springer-Verlag New York Inc. 1990 Endokrinologie.Pancreas.Pathologie.biology.chemistry.de

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n its approach to endocrine disorders. The book discusses not only a wide range of diseases commonly encountered in everyday clinical practice but also those uncommon conditions elucidated by such innovative techniques as ultrastructural immunochemistry and in situ hybridization.978-1-4612-7975-4978-1-4612-3346-6

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978-1-4612-7975-4Springer-Verlag New York Inc. 1990

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The Endocrine System,se glands were sometimes referred to as “ductless glands.” Today the endocrine system is viewed as a very complex system of cells, tissues, and organs producing many hormones and amines. The endocrine system can be divided into two major categories, the diffuse or dispersed neuroendocrine system (DN

Gesture

Pituitary Gland and Hypothalamus,urohypophysis, which includes the posterior lobe, neural stalk, and infundibulum. The adenohypophysis is derived embryologically from the invagination of the stomodeal ectoderm, Rathke’s pouch, which is the roof of the stomodeum or primitive buccal cavity. The neurohypophysis originates in the floor

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Parathyroid Glands,g the pouches. During separation, fragmentation may occur and these may give rise to accessory parathyroid glands (parathyromatosis). The canals of Karsteiner are small epithelial tubules that may arise in association with parathyroids m and may persist into postnatal life (9). Parathyroid III migra

长矛

Endocrine Pancreas,the primitive duodenum, is of endodermal origin. The ducts and acini arise from secondary branchings of the buds, while the islets of Langerhans, which also arise as epithelial outbranchings, lose their connections to the ductal lumina early in fetal life and can be identified in the 7-week fetus. T

Mri485

Neuroendocrine Cells and Neoplasms of the Gastrointestinal Tract,l stem cell (45). Although the gastrointestinal endocrine cells were among the amine precursor uptake and decarboxylation (APUD) cells that were postulated to have a common neural crest origin (50), the experimental evidence strongly supports an endodermal origin (15,41).