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Morphological Features of Heart Hypertrophy

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Morphological Features of Heart Hypertrophy

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Questions and Answers

What is a primary morphological feature of heart hypertrophy related to the structure of the heart?

Reduction of cardiac myocytes

Increased heart rate

Increased ventricular wall thickness (correct)

Decreased ventricular wall thickness

Which of the following describes a change in the myocytes during heart hypertrophy?

Myocytes decrease in number

Myocytes become smaller and less organized

Myocytes remain unchanged in size

Myocytes become enlarged (correct)

What is a notable nuclear change observed in myocytes during heart hypertrophy?

Nuclei that remain unchanged

Nuclei that undergo fragmentation

Nuclei that become smaller and lighter

Nuclei that become enlarged and hyperchromatic (correct)

What type of change is fibrosis in the context of heart hypertrophy?

<p>Replacement of myocytes with scar tissue (C)</p> Signup and view all the answers

Which of the following conditions is closely associated with heart hypertrophy?

<p>Left ventricular hypertrophy (LVH) (C)</p> Signup and view all the answers

Study Notes

Morphological Features of Heart Hypertrophy

Increased Ventricular Wall Thickness: Hypertrophy involves a thickening of the heart's chambers, particularly the ventricular walls.
Enlarged Cardiac Myocytes: The individual muscle cells (myocytes) of the heart increase in size.
Fibrosis: An accumulation of scar tissue (fibrosis) develops within the heart muscle.
Altered Myocyte Organization: The arrangement and structure of the heart muscle cells within the heart's chambers become disorganized.

Nuclear Changes

Enlarged and Hyperchromatic Nuclei: The nuclei of the heart muscle cells become larger and stain more darkly. This is often referred to as "boxcar nuclei".

Left Ventricular Hypertrophy (LVH)

Specific type of hypertrophy: A common form of hypertrophy affecting the left ventricle of the heart.

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Description

Explore the key morphological features associated with heart hypertrophy, including increased ventricular wall thickness, enlarged cardiac myocytes, and fibrosis. This quiz also covers nuclear changes and specifically focuses on left ventricular hypertrophy (LVH) as a common form affecting the heart's structure.