Decrease in cell size refers to –
Correct Answer: Atrophy
Description: Ans. is 'a' i.e., Atrophy Atrophy o Shrinkage in the size of the cell by loss of cell substance is known as atrophy. o Atrophy may be physiological or pathological. Physiological atrophy --> Atrophy of notochord and thyroglossal duct during fetal development, and decrease in uterus size after paurition. Pathological atrophy --> Atrophy may occur from different causes e.g.,. decreased workload (atrophy of disuse), loss of innervation (Denervation atrophy), Diminished blood supply, Aging (Senile atrophy), inadequate nutrition, or pressure. Mechanism of atrophy o Atrophy results from a reduction in the structural components of the cell. o Increased protein degradation probably plays a central role in atrophy. Defination of atrophy has been changed in 8111/e of Robbins o Atrophy is reduced size of an organ or tissue resulting from a decrease in cell size and number.
Category:
Pathology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now