Atrophy

Definition

Decrease in size of a tissue, organ, or part after full development has been obtained. In pathology, a condition in which the affected cells undergo degenerative and autolytic changes, become smaller, and have a lessened functional capacity. It is not exclusive to the field of entomology but can apply to insect anatomy and pathology as well.

Etymology

From Greek 'atrephos', meaning 'not nourished', 'not growing', or 'shrunken'.

Example

The muscle atrophy resulting from prolonged inactivity was noticeable in the patient.

Related Terms

• Degenerative
• Muscle
• Size