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14 Cards in this Set
- Front
- Back
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Signs of myocardial atrophy
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Thin fibers
Decreased heart weight Accumulation of lipofuscin "Brown atrophy" |
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What is the difference between atrophy, hypoplasia, and involution?
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Atrophy occurs after an organ has fully formed and then decreases in size.
Hypoplasia is an organ that failed to fully form. Involution is an organ that fully formed then decreased cell number or formed from the apoptosis of cells. |
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Thalidomide use in pregnant women caused what type of cellular degeneration?
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Hypoplasia
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In carpal tunnel syndrome what happens to the muscles of the affected hand supplied by the median nerve, especially visible in the thenar eminence?
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Muscular atrophy
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Why can dysplasia be used to describe both a malformed organ and abnormal cells on a pap smear?
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Because dysplasia has two separate definitions. One is the malformation of a tissue or organ, while the other is a premalignant growth of cells.
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An older gentlemen has trouble controlling urination. At his age it is likely he may have what type of dysfunction?
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Prostatic Gladular Hyperplasia. The prostate is enlarged and thus shuts itself off.
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Describe an example of normal physiologic hyperplasia?
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Lactation
Endometrium of the uterus during pregnancy |
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In a disease such as muscular dystrophy what dysfunction is observed in the affected muscle?
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Both hypertrophy and atrophy of adjacent fibers.
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The Thymus in later years is infiltrated by adipose tissue and becomes smaller, less active. This is an example of what process?
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Involution with fatty infiltration.
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In the case of a renal artery blockage the affected kidney atrophies. What process does the remaining kidney undergo if any?
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Hypertrophy, to take up the slack.
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What is the difference between a metaplasia and a neoplasia?
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A neoplasia is a new growth of cells typically like a tumor.
A metaplasia is the transformation of one cell type to another usually of similar embryonic origin; as seen in ossification. |
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Coeur Bovinum
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Hypertrophy of the heart
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Anchondroplasia is an example of what form of maldevelopment?
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Dysplastic bone and cartilage formation.
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What is the significance of myofibers with "boxcar" nuclei?
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Marker of Cardiac Hypertrophy
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