where are acini cells found?
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Acinar cells are the exocrine (exo=outward) cells of the pancreas that produce and transport enzymes that are passed into the duodenum where they assist in the digestion of food.
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There are two types of adipose cells: white adipose cells contain large fat droplets, only a small amount of cytoplasm, and flattened, noncentrally located nuclei; and brown adipose cells contain fat droplets of differing size, a large amount of cytoplasm, numerous mitochondria, and round, centrally located nuclei.
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The osteocytes are located inside spaces called lacunae (singular = lacuna), found at the borders of adjacent lamellae. As described earlier, canaliculi connect with the canaliculi of other lacunae and eventually with the central canal.
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An acinus (/ˈæsɪnəs/; plural, acini; adjective, acinar /ˈæsɪnər/ or acinous) refers to any cluster of cells that resembles a many-lobed "berry," such as a raspberry (acinus is Latin for "berry").
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['Lining epithelium.', 'Lamina propria.', 'Muscularis propria.', 'Serosa/Adventitia.']
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Cells that are found in specialised forms of connective tissue: ... Also present, just underneath the epithelium of blood capillaries, are cells called Pericytes - (perivascular cells - peri is greek for 'around), which can divide and provide a source of new fibroblasts, especially following tissue injury.
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Lobules are composed largely of grape-like clusters of exocrine cells called acini, which secrete digestive enzymes. Exocrine secretions from acini flow successively through intercalated ducts, intralobular ducts, interlobular ducts and finally into the duodenum through the main pancreatic duct.
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Parietal cells are the epithelial cells that secrete HCl and intrinsic factor. They are located in the gastric glands found in lining of fundus and stomach. The gastric chief cells , are cells in the stomach that release pepsinogen and chymosin.
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["Nucleus. The nucleus can be thought of as the cell's headquarters. ... ", 'Plasma membrane. To ensure each cell remains separate from its neighbor, it is enveloped in a special membrane known as the plasma membrane. ... ', 'Cytoplasm. ... ', 'Lysosomes and peroxisomes. ... ', 'Cytoskeleton. ... ', 'Endoplasmic reticulum. ... ', 'Golgi apparatus. ... ', 'Mitochondria.']
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Sublingual glands have mainly mucous acini. Parotid glands have mainly serous acini. Submandibular glands have a mixture of mucous and serous acini. Mucous acini stain more weakly than serous acini, because of the techniques used to produce the sections.
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Zymogen granules can be found in the acinar cells of the pancreas and salivary glands. They release zymogens outside the cell and into the body by a process called exocytosis. If zymogen granules are activated inside the cell, they can cause pancreatitis.
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The nucleus is present at the centre of the cytoplasm. The absence of a cell wall and a prominent vacuole are indicators that help identify animal cells, such as cells seen in the human cheek.
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The pancreatic acini are clusters of cells that produce digestive enzymes and secretions and make up the bulk of the pancreas. The endocrine function of the pancreas helps maintain blood glucose levels, and the structures involved are known as the pancreatic islets, or the islets of Langerhans.
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Unlike white fat cells, these cells have considerable cytoplasm, with lipid droplets scattered throughout. The nucleus is round and, although eccentrically located, it is not in the periphery of the cell. The brown color comes from the large quantity of mitochondria.
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It is known that 95% of the cells in the epidermis are keratinocytes. Squamous keratinocytes are also found in the mucosa of the mouth and esophagus, as well as the corneal, conjunctival and genital epithelia. ... They also keep Langerhans cells of the epidermis and lymphocytes of the dermis in place.
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There are two types of cells within the heart: the cardiomyocytes and the cardiac pacemaker cells. Cardiomyocytes make up the atria (the chambers in which blood enters the heart) and the ventricles (the chambers where blood is collected and pumped out of the heart).
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['Vascular tissue cells: Tracheids. Vessel elements. Sieve tube cells. ... ', 'Dermal tissue cells: Epidermal cells. Stomata or more accurately, guard cells. Trichomes.', 'Ground tissue cells: Parenchyma. Collenchyma. Sclerenchyma.']