ANATOMY

Detailed explanation-1: -The stapes is the third bone of the three ossicles in the middle ear and the smallest in the human body. It measures roughly 2 to 3 mm, greater along the head-base span.

Detailed explanation-2: -What are the 3 smallest bones in your body? This view is from the middle ear space looking out towards the eardrum and what you are looking at are the 3 ossicles: the malleus, the incus, and the beginning portion of the stapes, also known as the 3 smallest bones in your body!

Detailed explanation-3: -Stapes bone is the smallest bone in our body. It is the innermost bone of our auditory ossicles in the middle ear, which are responsible for transmitting sound waves from the air outside to the fluid-filled labyrinth (cochlea).

Detailed explanation-4: -There are three bones in the middle ear – malleus, stapes, and incus. The stapes are the smallest of the three bones and the smallest in the human body. The size of the stapes is 3mm × 2.5mm. The femur or thigh bone is the largest and heaviest bone in the human body.

Detailed explanation-5: -Hammer (malleus)-attached to the eardrum. Anvil (incus)-in the middle of the chain of bones. Stirrup (stapes)-attached to the membrane-covered opening that connects the middle ear with the inner ear (oval window)