Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'septum'?

A. A wall, dividing a cavity or structure into smaller ones[WP].
B. The lateral connective tissue partition between walls of otic capsule around which the membranous semicircular canals pass.
C. A part of the body present only in a specific gender.
D. An anatomical structure that is undergoing regeneration.

Answer: A wall, dividing a cavity or structure into smaller ones[WP].