Para-follicular cells of thyroid gland
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Topics
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Para-follicular cells
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Secretion
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Calcitonin
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Shape and size of cell
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It is larger than the follicular cell and the shape of the
cell is Round
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Staining
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It takes less staining
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Exposure to luminal surface
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It is never exposed to luminal surface, it is located
peripheral part of thyroid follicle
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Nuclei
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It contain large pale stain nuclei
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Golgi complex
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Large amount of golgi
complex are present but no definite
location
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Secretory vesicles
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It contains numerous secretory vesicle present though out
of the cell
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rER
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Present in small amount but no definite location
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Lysosome
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Present but not abundant
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Endocytotic
vesicles or colloidal resorption droplets
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No present
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Microvilli
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Absent
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Development
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4th pharyngeal pouch
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Derived from
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Neural crest
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