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The diffuse endocrine system: from embryogenesis to carcinogenesis.
In the present review we will summarise the current knowledge about the cells comprising the Diffuse Endocrine System (DES) in mammalian organs. We will describe the morphological, histochemical andExpand
PRDM16: the interconvertible adipo-myocyte switch.
Both brown and white adipocytes were previously considered to be derived from the same precursor cell, despite being histologically and functionally different. However, a recent study shows thatExpand
The Nervous System of the Chicken Proventriculus: An Immunocytochemical and Ultrastructural Study
The proventriculus constitutes the glandular region of the chicken stomach. This organ is innervated by two parasympathetic networks, the myenteric and submucous plexus, and here we present aExpand
Ultrastructure and immunocytochemistry of endocrine cells in the midgut of the desert locust, Schistocerca gregaria (Forskal)
SummaryThe endocrine cells of the midgut epithelium of the desert locust are found dispersed among the digestive cells and are similar to those of the vertebrate gut. According to their reactivity toExpand
Role of PRDM16 in the activation of brown fat programming. Relevance to the development of obesity.
From a histological and functional point of view, two types of adipose tissue can be identified. As opposed to the mainly unilocular white adipocytes, brown adipocytes possess plenty of smallExpand
Microscopic study of the pyloric caeca of the starfish Marthasterias glacialis (Echinodermata): Finding of endocrine cells
The ultrastructure of five epithelial cellular types is described. (1) Absorptive‐storing cells possess a striated border and accumulate lipids and glycogen. They also contain an apicalExpand
Light and electron microscopic study of the hindgut of the ant (Formica nigricans, Hymenoptera): I. structure of the ileum
The study of the ileum of the ant Formica nigricans by light and electron microscopy revealed the existence of three differentiated regions: proximal, middle, and distal ileum. The middle regionExpand
Neuroendocrine diffuse system of the respiratory tract of Rana temporaria: an immunocytochemical study.
The neuroendocrine cell population of the respiratory system of Rana temporaria has been studied by means of immunocytochemical methods at the light-microscopic level. Isolated or clustered endocrineExpand
Light and electron microscopic study of the hindgut of the ant (Formica nigricans, Hymenoptera): II. structure of the rectum
The rectum of the ant Formica nigricans is composed of six ovoid rectal papillae inserted into a rectal pouch. The wall of the rectal pouch is made up of a flat epithelium of simple rectal cellsExpand
Immunocytochemical and ultrastructural characterization of endocrine cells and nerves in the intestine of Rana temporaria.
Endocrine cells have been identified in the intestine of the frog Rana temporaria after application of the Grimelius and Masson-Fontana techniques. These endocrine cells were examined usingExpand