Question: what is one difference between the medulla in human hair and the medulla in animal hair?
Answer: Explain the difference between human and animal hair. - Medulla in a human is smaller (medullary index of less than one-third); and medulla in animals is very thick (medullary index of one-half or greater). - Cuticle in humans is imbricated; and the cuticle in animals is coronal or spinous.