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Step-by-step video and audio instructions on how to prepare a wet mount specimen of eukaryotic animal cells; specifically Human epithelial cells from the inside of the cheek. Video by Tami (Guy) Port, Chief Executive Nerd at ScienceProfOnline.com. For the lab materials that go with this movie, see the Virtual Microbiology Classroom Microscopy ...
SGc tumor cells stain positive with epithelial membrane antigen (EMA), cytokeratin -7 (CK-7), Ber-EP4, adipophilin, perilipin, and androgen receptor (AR). [6] [17] [2] Meanwhile, SGc cells are negative for carcinoembryonic antigen (CEA), gross cystic disease fluid protein, and S100 protein, helping differentiate SGc from SCC and BCC.
Positive histologic stains that aid in the diagnosis of conditions of or affecting the human integumentary system Stain Cell, material, and/or structure(s) stained Condition(s) in which stain is positive Actin-specific enolase: Infantile digital fibromatosis: AE1/AE3: Squamous cell carcinoma: Alcian blue: Lipoid proteinosis Papular mucinosis ...
The prognosis varies dramatically, depending on the type and stage at the time of treatment. However, the most common epitheliomas are very easily treated and rarely result in death. [ 2 ] The condition did, however, take the life of Scottish golfer Willie Dunn, Sr. in 1878 at a time when the ailment was likely not fully understood.
Cell nuclei should be crisp, blue to black on color [12] [13] and the chromatin patterns of the nucleus should be well defined. Cell cytoplasm stains blue-green and keratin stains orange in color. [13] [5] Eosin Y stains the superficial epithelial squamous cells, nucleoli, cilia, and red blood cells. [2]
The H&E staining procedure is the principal stain in histology [3] [7] [2] [5] in part because it can be done quickly, [7] is not expensive, and stains tissues in such a way that a considerable amount of microscopic anatomy [9] [10] is revealed, [7] [5] [4] and can be used to diagnose a wide range of histopathologic conditions. [8]
The cells of the spinous layer are vacuolated, large and possess pyknotic nuclei. [2] The superficial squamous cells have a clear, seemingly empty cytoplasm but it has not been shown that there is an increase in intracellular water, possibly making the term edema misleading. The histologic appearance is thought to be caused by water within the ...
Although this epithelium is referred to as squamous, many cells within the layers may not be flattened; this is due to the convention of naming epithelia according to the cell type at the surface. In the deeper layers, the cells may be columnar or cuboidal. [1] There are no intercellular spaces.