In humans, the part of Meckel's cartilage that forms the malleus and incus from the first branchial arch does not follow a path toward becoming quadrate and articular, which is then changed. On the contrary, these two bones develop into adult size while remaining cartilage and then become bone. In other words, the embryological development of the quadrate and articular in reptiles is significantly distinct from the malleus and incus development in mammals. Summary
The great auricular nerve arises from the cervical plexus's C2-3 branches; its sensory domain encompasses the bottom two-thirds of the anterior and posterior external ears.
The auriculotemporal nerve provides sensory innervation to the anterior superior one-third of the ear (tragus, crus helix, superior helix) (branch of V3)
The malleus, incus, and stapes are three small bones located in the middle ear. Each bone is given a Latin name based on its shape: The ear bones, sometimes called auditory ossicles, are the tiniest bones in the human body. These bones are critical in the sensation of hearing because they convey sounds to the inner ear.
Stapes is comprised of four major components that give it the appearance of a stirrup. A footplate, rear crura, anterior crura, and stapes head are included in this group. The stapes head and incus lenticular process are articulated. The footplate protects the inner ear cavity's fenestra ovalis, or oval window. Function
