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In the urinary tract, from the renal pelvis to the urethra, there is a special type of epithelium: it is the transitional epithelium, also called urothelium because it is exclusive to this tract. It is an epithelium with a stratified appearance, with cells whose nuclei are arranged in several layers. However, it has been shown that superficial cells emit processes that reach the basal layer. The surface cells are large and often shaped like an inverted club or pear, as can be seen in the micrograph. Also typical is the domed, globular appearance of the luminal surface of epithelial cells.
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Epithelial Cells in urine sediment.
Dog tissue sample. Captured by a scientific microscope and Canon 5D Mark IV
Tissue of Small intestine (Duodenum), Large intestine Human and Stomach Human under the microscope in Lab.
Frog Epidermic Cell section under light microscope with white background
Microscopic show fallopian tube, features of Hydrosalpinx(Fallopian Tube Blockage), no malignant cell seen.
Ciliary body. Two ciliary processes lined by a double epithelial layer, the non-pigmented inner epithelium and the pigmented epithelium.
Slice of natural crystal for patterns and textures use with high resolution.
science aquaculture fish parasite  hook clip worm micrograph
3D illustration of human stomach structure.
Photomicrograph of one celled amoeba. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Backgrounds of Characteristics Tissue Tongue, Small intestine of Cat and Tissue of Esophagus rabbit under microscope.
Ileum sec, showing goblet cells and intestinal glands, stained by hematoxylin-eosin, 100x.
Carcinoid tumors are a type of slow-growing cancer that can arise in several places throughout your body. Carcinoid tumors, which are one subset of tumors called neuroendocrine tumors, usually begin in the digestive tract (stomach, appendix, small intestine, colon, rectum) or in the lungs. Site: Ovary
Panoramic view of the gastric mucosa showing a fold, whose central axis is formed by very loose submucosa. The mucosa show gastric pits, fundic glands and muscularis mucosae.\
plant Stem of Nymphaea tetragona T.S. under light mircoscope with white background
High-quality histology image of a distended section of a bladder at 100x magnification, providing clear insight into bladder anatomy and cellular structure
A smooth muscle cell is a spindle-shaped myocyte with a wide middle and tapering ends, and a single nucleus. Isolated 3d rendering
Dog tissue sample. Captured by a scientific microscope and Canon 5D Mark IV
Host cells with spores (mold) are inside wood under the microscope for education.
Curly marble stone with fashion veins.
In the urinary tract there is a type of epithelium, the transitional epithelium or urothelium, which is exclusive to this region of the body. It is an epithelium with a stratified appearance, that is, whose cells are arranged in several layers from the base to the light. Above the basal layer, a variable number of cell layers are located depending on the state of distension of the organ, which can be very well evidenced in the urinary bladder. The image pertains to an empty bladder and shows 6 to 7 layers of nuclei, which are reduced to 2-3 in a full bladder. Finally, it is also characteristic of the transitional epithelium that the superficial cells and, sometimes, also in the intermediate layers, are binucleated or show very large nuclei, corresponding to polyploid nuclei.
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Duodenum of small intestine containing Brunner glands
Photomicrograph of stomata of leaf. Typical monocot distribution of stomata. Epidermis peeled from iris leaf. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
A plant cell is a fundamental unit of plant life, containing various organelles, including the cell wall, chloroplasts, and a large central vacuole, which are unique to plant cells. These cells serve as the building blocks of plants and play essential roles in photosynthesis, growth, and structural support.
Pigmented villonodular synovitis (PVNS) is a condition that causes the synovium—the thin layer of tissue that lines the joints and tendons—to thicken and overgrow. The mass or tumor that results from this overgrowth is not cancerous and does not spread (metastasize) to other areas of the body.
Free Images: "bestof:Urothel schem.png Urothel Urothelium Cropped out of Image Illu_epithelium png which is PD made by US government by User Lennert B 06/07/2006 User Lennert B"
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