Abnormalities in Organ Development

Question 1

developmental failure resulting in the absence of an organ or tissue

Answer 1

aplasia

Question 2

incomplete development or underdevelopment of organ or tissue, which is usually the result of a decrease in the number of cells.

Answer 2

Hypoplasia

Question 3

wasting or diminution of size or activity as part of the body, usually the result of an abnormal decrease in cell size.

Answer 3

atrophy

Question 4

increase in the size of an organ caused by an increase in the size of the cells rather than the number of cells.

Answer 4

hypertrophy

Question 5

increase in number of cells of a body part

Answer 5

hyperplasia

Question 6

change in the structure or orientation of cells characterized by the production of abnormal, undifferentiated cells.
Characteristic of malignancy

Answer 6

anaplasia

Question 7

any abnormal development of tissues or organs

Answer 7

dysplasia

Question 8

most developmental abnormalities in organs result from genetic defects or hormonal dysfunctions.

true or false

Answer 8

true