Q. From outer to inside, the sequence of three bones present, in the middle ear of mammals, is
A) Malleus, stapes and incus
B) Stapes, malleus and incus
C) Malleus, incus and stapes
D) Incus, malleus and stapes
Explanation
The middle ear cavity in mammals characteristically contains a chain of three little bones called or ear ossicles extending between the tympanic membrane and the fenestra ovalis. These are called from outside as the malleus (hammer), incus (anvil) and stapes (stirrup), so named because of their characteristic shapes.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.