Notes in j. Histology: Connective Tissue

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Published	07/28/2024	Fibroblasts are derived from {{c1::mesenchymal}} stem cells, are the most common cells in regular Connective Tissue, have large elongated nuclei …
Published	07/28/2024	adipocytes are derived from {{c1::mesenchymal}} stem cells and are made up of {{c1::white}} and {{c1::brown}} adipose tissue and are important fo…
Published	07/28/2024	Plasma cells are derived from {{c1::hematopoietic (b-lymphocyte), transient}} stem cells with {{c1::acentric}} nuclei and have a large {{c1::golg…
Published	07/28/2024	Macrophages are derived from {{c1::hematopoietic}} stem cells, derived from {{c1::monocytes}} (thus they sometimes have a horseshoe shaped nucleu…
Published	07/28/2024	Mast Cells are derived from {{c1::hematopoietic}} stem cells and are similar to basophil cells but are products of different hematopoietic lineag…
Published	07/28/2024	Neutrophils (polymorphic leukocytes) are derived from {{c1::hematopoietic}} stem cells, are medium sized with a unique {{c1::multi-lobed}} nuclea…
Published	07/28/2024	Fibroblasts are (Resident/Transient) {{c1::Resident}} connective tissue cells
Published	07/28/2024	Macrophages are (Resident/Transient) {{c1::Resident}} connective tissue cells
Published	07/28/2024	Adipocytes are (Resident/Transient) {{c1::Resident}} connective tissue cells
Published	07/28/2024	Mast cells are (Resident/Transient) {{c1::Resident}} connective tissue cells
Published	07/28/2024	{{c1::Fibroblasts}} are characterized by spindle like shapes with undefined membranes and elongated nuclei
Published	07/28/2024	The following cells are?
Published	07/28/2024	The nucleus of {{c1::active}} fibroblasts are lighter and not as condensed
Published	07/28/2024	The nucleus of {{c1::inactive}} fibroblasts are dark and condensed
Published	07/28/2024	Mechanical stress can induce the differentiation of fibroblasts into {{c1::myofibroblasts}} which contain {{c2::smooth muscle actin}} and can {{c…
Published	07/28/2024	{{c1::Macrophages}} are large, euchromatic (less dense), and irregularly shaped with a nucleus that is sometimes horseshoe shaped
Published	07/28/2024	The arrows are pointed toward?
Published	07/28/2024	Toluidine blue or Azure II dyes are utilized for viewing {{c1::Mast cells}}
Published	07/28/2024	{{c1::Mast cells}} look similar to basophils due to their darkly stained secretory vesicles, rich in basophil, however have different hematopoietic li…
Published	07/28/2024	Identify the primary cells in the slide:
Published	07/28/2024	{{c1::White adipose cells}} are large rounded white holes with flattened nuclei on the sides
Published	07/28/2024	The cells in the picture are:
Published	07/28/2024	{{c1::Brown adipocytes}} have multiple lipid droplets visible within the cell and are involved in thermoregulation, mainly found in newborns. Mitochon…
Published	07/28/2024	The following are examples of:
Published	07/28/2024	{{c1::Plasma}} cells are round, medium sized cells that have acentric nuclei with clockface heterochromatin.
Published	07/28/2024	The function of plasma cells is?
Published	07/28/2024	The following are examples of:
Published	07/28/2024	The following are examples of:
Published	07/28/2024	Striation of collagen fibrils is only visible using {{c1::electron microscopy}} due to heavy metal ion binding but you will not see them in light…
Published	07/28/2024	Reticular fibers are made up of {{c1::type III}} collagen and form a netlike structure which are {{c1::thinner}} than type 1 collagen and help to orga…
Published	07/28/2024	{{c1::Elastin}} fibers tend to be difficult to view on H&E stains unless they are in high concentrations where they stain bright red glossy intens…
Published	07/28/2024	Trichrome aldehyde fuschsin, verhoeff, or weigert stains are typically used for {{c1::elastin}} detection
Published	07/28/2024	{{c1::Ground substances}} include GAGs, proteoglycans, and glycoproteins
Published	07/28/2024	{{c1::Ground substances}} typically are not very well stained in connective tissue because of abundance of negative charge and carbohydrates
Published	07/28/2024	{{c1::dense}} connective tissue has a large amount of ECM and less cells
Published	07/28/2024	{{c1::loose}} connective tissue has a large amount of cells and less ECM, supports epithelia of major organs, fills space between muscle tissue, not v…
Published	07/28/2024	Dense {{c1::regular}} connective tissue has all the collagen fibers oriented in a single direction
Published	07/28/2024	Dense {{c1::irregular}} connective tissue has all the collagen fibers aligned in different directions
Published	07/28/2024	Functions of connective tissue include?
Published	07/28/2024	Macrophages fuse to form {{c1::multinucleated}} giant cells called epitheloid giant cells as they attempt to engulf material {{c1::too large}} for the…
Published	07/28/2024	Neutrophils in transmission electron micrographs show the {{c1::granules}}
Published	07/28/2024	Connective Tissue Fibers include
Published	07/28/2024	Collagen fibrils have {{c1::gaps}} between the end of one fibril and where a new one starts where heavy metal ions can enter which lead to a striated …
Published	07/28/2024	Most elastin fibers require specific elastin stains like {{c1::trichrome aldehyde-fuchsin, verhoeff, or weigert}} to be visible
Published	07/28/2024	What structure is shown in the following image?
Published	07/28/2024	What are the three layers of the basement membrane? (trachea has a thick layer of basement membrane)
Published	07/28/2024	Lamina propria means {{c1::loose connective}} tissue
Published	07/28/2024	Connective tissue surrounding the trachea contains {{c1::loose}} connective tissue
Published	07/28/2024	Lymph nodes contain a significant amount of {{c1::macrophages}} and {{c1::reticular}} connective tissue
Published	07/28/2024	Pharynx contain a significant amount of {{c1::fat (white)}} cells
Published	07/28/2024	Dense irregular CT which are found in the vagina are hard to see on H&E staining so Trichrome stain is used as the collagen fibers have a {{c1::bl…
Published	07/28/2024	Blood smear procedure and morphology
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