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Microvilli (sg.: microvillus) are microscopic cellular membrane protrusions that increase the surface area for diffusion and minimize any increase in volume, [1] and are involved in a wide variety of functions, including absorption, secretion, cellular adhesion, and mechanotransduction.
Pinocytosis. In cellular biology, pinocytosis, otherwise known as fluid endocytosis and bulk-phase pinocytosis, is a mode of endocytosis in which small molecules dissolved in extracellular fluid are brought into the cell through an invagination of the cell membrane, resulting in their containment within a small vesicle inside the cell.
Other cellular extensions that protrude from the cell membrane are known as membrane protrusions or cell protrusions, also cell appendages, such as flagella, and microvilli. [8] [9] Microtentacles are cell protrusions attached to free-floating cells, associated with the spread of some cancer cells. [10]
Intestinal villi (sg.: villus) are small, finger-like projections that extend into the lumen of the small intestine.Each villus is approximately 0.5–1.6 mm in length (in humans), and has many microvilli projecting from the enterocytes of its epithelium which collectively form the striated or brush border.
We’ve all been there: You're enjoying a snack, and your dog is giving you the look.You know the one—those big, soulful eyes silently begging for a bite of whatever you’re eating.
Back in 2016 — an eon ago in college football terms — Alabama and Clemson squared off in the title game of the second College Football Playoff.
It is caused by a congenital villus atrophy, atrophy of apical microvilli and intracellular accumulation of apical enzymes and transporters in the epithelial cells of the small intestine. [4] MVID is in most cases caused by mutations in the MYO5B gene.
Comedian and “Kill Tony” podcast host Tony Hinchcliffe ignited a national firestorm with his appearance at Donald Trump’s Oct. 27 rally at New York City’s Madison Square Garden. While ...