3 Questions
What is the difference between hypertrophy and atrophy?
Hypertrophy is an increase in cell size, while atrophy is a shrinkage in cell size
Which of the following is a physiologic cause of hypertrophy?
Adaptive response
What are the pathologic causes of atrophy?
Loss of innervation and malnutrition
Study Notes
- Hypertrophy is an increase in cell size leading to organ enlargement.
- It does not generate new cells, just larger ones.
- Physiologic causes include increased demand and hormonal stimulation.
- Pathologic causes include adaptive, compensatory, and hormonal hypertrophy.
- Atrophy is a shrinkage in cell size leading to tissue/organ diminishment.
- Mechanism involves a reduction in structural components of the cell.
- Physiologic causes include involution, decreased workload, and loss of hormone stimulation.
- Pathologic causes include loss of innervation, starvation, and malnutrition.
- Atrophy can occur when a sufficient number of cells are involved.
- Hypertrophy and atrophy can both be adaptive or compensatory responses.
Test your knowledge on hypertrophy and atrophy with this quiz! Learn about the different causes, mechanisms, and types of hypertrophy and atrophy, and understand how they can be adaptive or compensatory responses. Challenge yourself with questions that cover both physiologic and pathologic causes of these changes in cell size, and enhance your understanding of organ enlargement and tissue diminishment. Don't miss this opportunity to expand your knowledge on these important biological processes!
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