If there is absence of precursor cell of an organ with the subsequent non development of the organ, what is the condition is called as?
Correct Answer: Agenesis
Description: Aplasia: - Failure of organ to develop with only rudiment of organ present. It occurs, when precursor cells are there but they do not differentiate into the organ.
Agenesis: - Complete failure of organ to develop, i.e. e complete absence of the organ, with no rudiment. It occurs when there is not precursor cell of an organ.
Atresia: - Ducts in the body or their openings or any orifice or passage is abnormally closed or absent.
Atrophy: - Shrinkage in the size of an organ by a decrease in cell size and number.
Category:
Anatomy
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