12 Questions
What is hypertrophy?
Increase in size and weight of an organ due to an increase in the number of its cells
Which type of hyperplasia can occur in any cell type capable of division?
Hormonal hyperplasia
What causes atrophy?
Decrease in cell size
Which type of atrophy occurs after an organ has reached its adult size?
Localized atrophy
Which type of hypertrophy occurs in pregnant uterus due to hormonal stimulation?
Hormonal hyperplasia
What is the pathological type of hypertrophy that affects the muscle coat of hollow organs due to increased intra-luminal pressure?
Adaptive hypertrophy
What is the primary cause of hormonal hyperplasia in repeated anovulatory cycles?
Loss of hormonal stimulation
Which type of atrophy is characterized by the heart becoming small and the skin becoming wrinkled due to loss of elastic fibers?
Generalized atrophy
What is the mechanism of metaplasia?
Differentiation of precursor cells along a new pathway
Which type of metaplasia involves the transformation of columnar or transitional cells to squamous epithelium?
Squamous metaplasia
What is leukoplakia?
A white patch that develops in the oral cavity, tongue, or vulva due to chronic irritation
What is the primary cause of neuropathic atrophy?
Loss of innervation
Test your knowledge on the definitions of hypertrophy, hyperplasia, and atrophy. Learn about the increased size and weight of an organ, the synthesis of additional intracellular components, and the decrease in size and weight of an organ. Get ready to differentiate between these concepts!
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