18 Questions
What is the definition of agenesis?
Complete absence of an organ
What is the distinguishing feature between hypertrophy and hyperplasia?
Increase in the size of cells
What is the term for the congenital malformation in which there is diminished growth of an organ?
Hypoplasia
Which of the following is an example of physiological hyperplasia?
Mammary gland proliferation during lactation
What is the term for the reversible change in which one mature cell type is replaced by another cell of the same type to adapt to environmental changes?
Metaplasia
Which of the following is an example of pathological hyperplasia?
Endometrial hyperplasia
What type of metaplasia involves the transformation of muscle tissue into bone?
Traumatic myositis ossificans
What is a characteristic feature of dysplastic cells?
All of the above
What is the main difference between normal cervix and uterine cervix dysplasia?
Disorganization and crowding of epithelial cells
What is the term for non-neoplastic atypical cellular changes caused by chronic irritation?
Metaplasia
What is a characteristic feature of normal squamous epithelium?
Low nuclear/cytoplasmic ratio
What is the term for the transformation of connective tissue into bone?
Connective tissue metaplasia
What is the term for a decrease in the size of a fully developed organ due to a diminution in the size and/or number of cells?
Atrophy
What is the term for a complete failure of cell growth and multiplication, such as in the case of bone marrow aplasia (aplastic anemia)?
Aplasia
What is the term for a malformation in which there is failure of an organ to develop into its full adult size, leading to a small, underdeveloped organ?
Hypoplasia
What is the term for an abnormal increase in the number of cells in a tissue or organ, resulting in an abnormal growth?
Hyperplasia
What is the term for a change in the type of cells in a tissue or organ, resulting in an abnormal growth?
Metaplasia
What is the term for a disordered formation of cells or tissues, resulting in an abnormal growth?
Dysplasia
This quiz covers growth disturbances and developmental abnormalities, including diminished growth, excessive growth, and disorders of cellular differentiation. It explores various concepts such as atrophy, hyperplasia, metaplasia, and more.
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