![]() In some animals, such as horned ungulates (mammals with hooves), the skull also has a defensive function by providing the mount (on the frontal bone) for the horns. ![]() In humans these sensory structures are part of the facial skeleton.įunctions of the skull include protection of the brain, fixing the distance between the eyes to allow stereoscopic vision, and fixing the position of the ears to enable sound localisation of the direction and distance of sounds. The skull forms the anterior-most portion of the skeleton and is a product of cephalisation-housing the brain, and several sensory structures such as the eyes, ears, nose, and mouth. In humans, these two parts are the neurocranium and the viscerocranium ( facial skeleton) that includes the mandible as its largest bone. ![]() However two parts are more prominent: the cranium and the mandible. The skull is composed of four types of bone i.e., cranial bones, facial bones, ear ossicles and hyoid bone. The skull is a bone protective cavity for the brain.
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