The substance secreted by the glands in the external auditory canal is:

A) endolymph.
B) cerumen.
C) perilymph.
D) otopyorrhea.

Cerumen

A yellowish waxy substance secreted in the ear canal, known as earwax.

Otopyorrhea

The discharge of pus from the ear, often resulting from an ear infection.

Endolymph

A fluid contained in the membranous labyrinth of the inner ear, crucial for hearing and balance.