MICROANATOMY

Detailed explanation-1: -The ceruminous glands in the skin of the human external auditory canal are modified apocrine glands, which, together with sebaceous glands, produce the cerumen, the ear wax. Cerumen plays an important role in the protection of the ear canal against physical damage and microbial invasion.

Detailed explanation-2: -Ceruminous glands are specialized apocrine (modified sweat) glands, located in the dermis of a human’s external auditory canal, producing cerumen (earwax). Hence, this is the correct option.

Detailed explanation-3: -Ceruminous glands are modified sweat glands. These are located in the auditory canal. They secrete a thick waxy substance called cerumen (ear wax).