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13 Cards in this Set
- Front
- Back
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CT chart |
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fibroblast - elongated and spindle-shaped (i.e. fusiform, tapered at the ends) |
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mast cells - large (20-30 µm) oval-shaped cells - round nucleus in the center - cytoplasm is filled with granules containing heparin, histamine, and other factors. - granules stain dark purple with toluidine blue |
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plasma cells - derive from B-lymphocytes and secrete antibodies - "clock face": heterochromatin is positioned in clumps around the periphery of the nucleus |
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macrophage - large (10-30 µm) phagocytic cells - irregularly-shaped with cytoplasmic projections extending from the cell surface - macrophages develop from monocytes, which circulate in the blood |
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mesenchyme CT - pale tissue that fills most of the image - almost all of the visible cells are mesenchymal cells - no visible fibers in the matrix - pink tissue at the bottom and right of the image are areas of newly formed bone |
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mucous CT - section of an umbilical cord - in addition to mesenchymal cells, there are also fibroblasts (one is indicated by an arrow) which produce collagen fibers - COLLAGEN FIBERS PRESENT |
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loose areolar CT (has elastic fibers) - image of mesentery (a fold of the peritoneum that attaches organs to the posterior wall of the abdomen) - many cells present - look for elastic fibers (very thin purple lines) and collagen fibers (thicker pink lines) |
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loose adipose CT - shows both brown (multilocular) fat and white (unilocular) fat - collagen fibers in blue (note that there are few collagen fibers in the matrix) |
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loose reticular CT - has reticular fibers (type III collagen) --> forms a net like mesh - using a silver stain, so the reticular fibers appear black - pink-purple cells scattered throughout are blood cells and lymphocytes - section is from a spleen |
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dense irregular CT - section from the mammary gland - wavy pink material that fills the field is collagen fibers |
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dense regular CT - image of a tendon - collagen fibers are red/pink, nuclei are grey, and cytoplasm is tan/yellow - collagen fibers of the tendon all run parallel to one another - Fibroblasts are visible as thin oval-shaped nuclei squished between bundles of type I collagen |
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dense regular elastic CT - section through the aorta - parallel elastic fibers can be seen in dark purple |
