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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 .
Intestinal villus, refers to any one of the small, finger-shaped outgrowths of the epithelial lining of the wall of the intestine. Clusters of projections are referred as intestinal villi. Chorionic villi, found on the surface of the outermost membrane (the chorion) of the fetus; Arachnoid villi, located on the arachnoid membrane of the brain
The nuclei of the cells (located at the outer edges of the cells lining the walls of the crypts) are stained blue-gray with haematoxylin. As seen in panels C and D, crypts are about 75 to about 110 cells long. The average crypt circumference is 23 cells. [8] From the images, an average is shown to be about 1,725 to 2530 cells per colonic crypt.
Russia, or "the Russian Federation," is a nation of Europe. The "Northern Asia" name is unofficially recognized; for example, the UN Group of Experts on Geographical Names includes an Eastern Europe, Northern and Central Asia Division. "Northern Asia" comes from traditional usage, which divides Europe from Asia at the Ural Mountains.
The following other wikis use this file: Usage on ar.wikipedia.org ويكيبيديا:ورشة الصور/أرشيف 27; Usage on bs.wikipedia.org
Asia (/ ˈ eɪ ʒ ə / ⓘ AY-zhə, UK also / ˈ eɪ ʃ ə / AY-shə) is the largest continent [note 1] [10] [11] in the world by both land area and population. [11] It covers an area of more than 44 million square kilometres, [note 2] about 30% of Earth's total land area and 8% of Earth's total surface area.
The following outline is provided as an overview of and topical guide to Asia. Asia is the world's largest and most populous continent , located primarily in the eastern and northern hemispheres . It covers 8.7% of the Earth's total surface area (or 30% of its land area) and with approximately 4.655 billion people, it hosts 60% of the world's ...
Blue = Central Asia; Yellow = East Asia (China, Mongolia, Korea, Japan) Brown = West Asia/Middle East; Green = South Asia (India, Pakistan, Bangladesh, Nepal, Bhutan) Red = South East Asia (10 ASEAN countries + East Timor) Date: 5 May 2007 (original upload date) Source: Own work based on the blank world map: Author