20 Questions
What term defines an increase in the number of cells within a tissue/organ without an associated increase in the size of cells?
Hyperplasia
Which type of cells are capable of hyperplasia?
Cells capable of division
What is the process that involves an increase in the size of cells without an increase in cell number?
Hypertrophy
Which of the following cells undergo hypertrophy?
Muscle cells
What occurs in atrophy?
Decrease in cell size and number
Which condition in dentistry exemplifies atrophy and how does it occur?
Atrophic buccal mucosa due to lichen planus
Which process involves a change from one differentiated cell type to another differentiated cell type?
Metaplasia
Give an example of hyperplasia in dentistry.
- Chronic hyperplastic candidosis
Which type of cells can undergo hyperplasia?
Cells capable of division
What is the result of atrophy?
Reduction of size of organ due to a reduction in both cell size and number
What type of epithelium metaplasia occurs in response to an insult?
normal transitional epithelium can metaplasia to keratinising stratified squamous epithelium.
What is a characteristic of dysplasia?
Loss of differentiation
Which category of causative agents includes trauma, thermal, and radiation?
Physical
What is the consequence of nutrient and growth factor deprivation on cells?
Cellular injury
Which type of necrosis is characterized by a cheese-like appearance?
Caseous
In apoptosis, what is the role of Caspase 3?
'Executioner caspase'
What occurs in the first stage of autophagy?
Isolation membrane formation
'Shrinkage of nucleus and cytoplasm' is associated with which cellular process?
'Apoptosis'
'Regulated and targeted programmed cell death' best describes which cellular process?
'Apoptosis'
'Groups of cells' and 'cell swelling' are characteristics associated with which type of cell death?
'Necrosis'
Test your knowledge on hyperplasia with a focus on its occurrence in dentistry. Learn about the increase in epithelium of buccal mucosa in response to fungal infection known as chronic hyperplastic candidiasis.
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