Abnormal condition resulting in the diminished flow of perspiration is

The hypohidrosis is a condition, in which the sweating ability is diminished in a person. This condition may cause severe threats, if complete absence of the sweating occurs. The complete absence of sweating is known as anhidrosis.

The hypohydrosis can lead to long lasting hyperthermia, as the body is not able to lose heat through sweating. It can also cause heat stroke, heat exhaustion, and in severe cases, it may result to death.

hence, the correct answer is hypohidrosis.