PATHOLOGY

Detailed explanation-1: -atrophy, decrease in size of a body part, cell, organ, or other tissue. The term implies that the atrophied part was of a size normal for the individual, considering age and circumstance, prior to the diminution.

Detailed explanation-2: -Muscle atrophy is the wasting (thinning) or loss of muscle tissue.

Detailed explanation-3: -From its literal Greek roots, atrophy would mean basically “lack of nourishment". Although the English word doesn’t usually imply any lack of food, it always refers to a wasting away. Those who have been bedridden for a period of time will notice that their muscles have atrophied.