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Reconstruction of a palisade in a Celtic village at St Fagans National History Museum, Wales Reconstruction of a medieval palisade in Germany. A palisade, sometimes called a stakewall or a paling, is typically a row of closely placed, high vertical standing tree trunks or wooden or iron stakes used as a fence for enclosure or as a defensive wall.
Micrograph of an ameloblastoma showing characteristic palisading. H&E stain. In histopathology, a palisade is a single layer of relatively long cells, arranged loosely perpendicular to a surface and parallel to each other. [1] A rosette is a palisade in a halo or spoke-and-wheel arrangement, surrounding a central core or hub. [2]
Columnar basalt, a common extrusive igneous (volcanic) rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet . List of places with columnar jointed volcanics
The term Histiocyte can also simply refer to a cell from monocyte origin outside the blood system, such as in a tissue (as in rheumatoid arthritis as palisading histiocytes surrounding fibrinoid necrosis of rheumatoid nodules). Some sources consider Langerhans cell derivatives to be histiocytes. [4]
Micrograph of a basal-cell carcinoma, showing the characteristic histomorphologic features (peripheral palisading, myxoid stroma, artefactual clefting). H&E stain. Basal-cell carcinoma is named after the basal cells that populate the lowest layer of the epidermis due to the histological appearance of the cancer cells under the microscope. [16]
Palisaded neutrophilic and granulomatous dermaititis is associated with subacute bacterial endocarditis, [4] ledipasvir/sofosbuvir, [5] allopurinol, [6] Hodgkin’s and non-Hodgkin’s lymphoma, [4] chronic myelomonocytic leukemia, [7] ulcerative colitis, [8] Takayasu arteritis, [4] systemic vasculitis, [8] systemic lupus erythematosus (SLE), [9] sarcoidosis, [10] rheumatoid arthritis, [11 ...
Palisade cells are located beneath the upper epidermis and cuticle but above the spongy mesophyll cells.. Palisade cells contain a high concentration of chloroplasts, particularly in the upper portion of the cell, making them the primary site of photosynthesis in the leaves of plants that contain them.
A rheumatoid nodule is a lump of tissue, or an area of swelling, that appears on the exterior of the skin usually around the olecranon (tip of the elbow) or the interphalangeal joints (finger knuckles), but can appear in other areas. [1]