When youâre craving is a cup of joe, the menu at Starbucks may seem overwhelming. It doesnât even use the word âregularâ to describe any one size or blend. But you can get a simple, basic cup of coffee â equivalent to what your neighborhood shop might call a regular â once you crack Starbucksâ terminology.
Medical Definition of RETICULUM. 1. : the second compartment of the stomach of a ruminant in which folds of the mucous membrane form hexagonal cellsâcalled also honeycomb; compare abomasum, omasum, rumen.edical Definition of RETICULUM. 1. : the second compartment of the stomach of a ruminant in which folds of the mucous membrane form hexagonal cellsâcalled also honeycomb; compare abomasum, omasum, rumen.
The endoplasmic reticulum (ER) is a network of flattened sacs and branching tubules that extends throughout the cytoplasm in plant and animal cells. These sacs and tubules are all interconnected by a single continuous membrane so that the organelle has only one large, highly convoluted and complexly arranged lumen (internal space).