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What kind of cell is this? Where can you find it? What 4 things does this cell have?
- Mast cell in muscle. Has:
- 1. SRS-A: slow responding s anaphylaxis (bronchospasm)
- 2. Heparin anti clot
- 3. Histamine (cause edema & anaphylaxis)
- 4. NEC: Neutrophil & Eosinophilic Chemoattractors
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 What is this a photo of?
Mast cells (large red, related to B cells) are releasing histamine (white) for allergic or immune reaction causing swelling (edema) or anaphylaxis.
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 Label. Where cells A differentiated from aka, what can make them?
- A: Adipose
- B: Sweat glands
- Mesenchymal AND fibroblasts can make more adipose cells.
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 Label
- A: Adipose cells
- B: Nucleus pushed to the side of adipose cell
- C: blood vessel
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 What is the white cell? What are the arrows?
Adipose cells surrounded by EXTERNAL LAMINA
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 Label. How can you tell the difference?
- A: Mature fat cell
- B: Immature fat cell
- Difference: Immature lipids are smaller in size and have dark centrally located nucleus.
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A: Fat cell (one droplet)B: Nucleus pushed to one sideC: Cytoplasm
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- Right: Lipid Droplet,
- Top Left: EV (vesicles?)
- Far left : basal lamina aka external lamina
- Bottom Left: Smooth ER?
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Brown fat. X 150 note large blood vessels(B). Brown adipose are central nucleus (A).
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 Label. Where could you find this?
Small blood vessel. Left nucleus – endothelial cell Right nucleus – pericyte. Note basal lamina of endothelial cell divides to surround the pericyte. CL, capillary lumen.
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Bm, basal lamina; e, endothelial cell; p, pericyte. BM surrounds BOTH pericyte cell and wall of endothelial cells of large venules.
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Compare the size of the lymphocyte (upper left corner) with mast cell in the middle of the TEM micrograph. X6000.
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 What is this a photo of? What is it a clone of?
- Arrows: Golgi
- Prominent component of:•loose connective tissue of GI tract•respiratory tract•salivary glands •lymph nodes•hemopoietic tissue.
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 What type of cell is this? How can you tell?
Plasma cell. Nucleus with cartwheel spokes like heterochromatin.
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 Label. What do presence of these cells indicate?
- A Fibroblasts nuclei
- B Plasma cells
- C Basilphils
- D Eosinophils
- Acute inflammatory reaction
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 What is this? Where is it commonly found?
Eosinophils are seen in normal connective tissue of the GI tractnNamed for the large, eosinophilic, granules in cytoplasmHave a role in allergic reactions.
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 What cell is this? What is it's main role?
Eosinophil. Bilobed. Parasitic infection.
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 NEED CLARIFICATION
?
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Rough ER on left. Plasma nucleus on right. Entire cell is plasma cell. Makes gene for ONE SPECIFIC ANTIBODY PROTEIN ONLY!
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 What kind of cell is this? How can you tell?
Eosinophil. Bilobed nucleus. Crystaloid bodies. Specific granules. Fights parasitic infections.
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