What acinar means?
What acinar means?
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”).
How do you pronounce acini cell?
noun, plural ac·i·ni [as-uh-nahy].
What are acinar cells?
The pancreatic acinar cell is the functional unit of the exocrine pancreas. It synthesizes, stores, and secretes digestive enzymes. Under normal physiological conditions, digestive enzymes are activated only once they have reached the duodenum.
What do acinar cells produce?
The exocrine cells (acinar cells) of the pancreas produce and transport chemicals that will exit the body through the digestive system. The chemicals that the exocrine cells produce are called enzymes. They are secreted in the duodenum where they assist in the digestion of food.
What is the exocrine?
Exocrine: Pertaining to the secretion of a substance out through a duct. The exocrine glands include the salivary glands, sweat glands and glands within the gastrointestinal tract. Exocrine is as opposed to endocrine which refers to the secretion of a substance (a hormone) into the bloodstream.
Where are acinar cells found?
pancreas
2 Pancreatic Acinar Cells. Pancreatic acinar cells are the major cell type in the pancreas; they share a similar lineage history with β cells during embryogenesis.
Are acini and alveoli the same?
cells in rounded sacs, called acini, attached to freely branching systems of ducts. The walls of the acini surround a small central cavity known as an alveolus. In the walls of the acini are pyramidal secreting cells and some flat, star-shaped contractile cells called myoepithelial, or basket, cells.
What hormone stimulates acinar cells?
Gastrin: This hormone, which is very similar to cholecystokinin, is secreted in large amounts by the stomach in response to gastric distention and irritation. In addition to stimulating acid secretion by the parietal cell, gastrin stimulates pancreatic acinar cells to secrete digestive enzymes.
What do acinar cells look like?
Individual acinar cells have the shape of a truncated pyramid, arranged in groups around a central ductal lumen. These central ducts empty into progressively larger intercalated and collecting ducts that eventually join the pancreatic duct (duct of Wirsung).
What is the meaning of the word acinar?
1 Relating to the acinus, a small saclike cavity in a gland. 2 Relating to or denoting a region of the lung supplied with air from one of the terminal bronchioles.
What makes you want to look up acinar?
borrowed from French acinaire, borrowed from New Latin acinārius, going back to Latin, “for holding grapes,” from acinus “grape” + -ārius -ary entry 2 — more at acinus What made you want to look up acinar? Please tell us where you read or heard it (including the quote, if possible). Capricious is derived in part from the Italian word for hedgehog.
What kind of adenocarcinoma is acinar or nonacinar?
The grade as well as extent of the acinar adenocarcinoma component in mixed small cell adenocarcinoma in the prostate is variable. Prostatic adenocarcinoma is divided into acinar and nonacinar subtypes.
Is there such a thing as an acinus?
pertaining to or affecting an acinus or acini. Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved. Pertaining to the acinus. Of or relating to an acinus.