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Questions and Answers
What do granules in eosinophils primarily fill the cytoplasm with?
Small acidophilic granules
What is indicated by the basophilic staining of the basal cytoplasm around the nucleus of a Paneth cell?
Large amounts of rough endoplasmic reticulum
What type of cytoplasm is described as having a substantial amount surrounding the nucleus?
Abundant cytoplasm
What do vacuoles in vacolated cytoplasm usually represent?
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What does scant cytoplasm indicate?
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Study Notes
Granules
- Granules are vesicles that retain some contents during tissue preparation, making them stainable.
- Eosinophils contain small acidophilic granules within their cytoplasm.
- Paneth cells feature large acidophilic secretory granules localized in the apical cytoplasm.
- The basal cytoplasm around the nucleus in Paneth cells stains basophilic, indicating a high concentration of rough endoplasmic reticulum.
Vacuolated Cytoplasm
- Vacuolated cytoplasm appears to have empty spaces, typically representing lipid droplets or vesicles.
- In adrenal cortex cells, these empty spaces denote cholesterol droplets that were removed during tissue processing.
Abundant versus Scant Cytoplasm
- "Abundant" refers to cells with a substantial volume of cytoplasm surrounding the nucleus.
- "Scant" describes cells with a limited volume of cytoplasm in relation to the nucleus.
- These terms provide a qualitative description of cytoplasmic volume though they are inexact.
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Description
Test your knowledge on the role and identification of granules in human histology. This quiz covers the characteristics of acidophilic granules in eosinophils and Paneth cells. Understand how these structures can reveal important information about cellular functions.
