malaco-, malac-, malako-, -malacia +

(Greek: soft, softness; abnormal softening, soft-bodied)

Softening of the gray matter of the brain or spinal cord.
1. Softening of the tracheal cartilages.
2. Degeneration of elastic and connective tissue of the trachea.
A defect of the hair shaft that is characterized by soft, fragile, swollen hairs. It may result from physical injury to the follicles.