Posterior Skull Anatomy

Contains cerebellum pons and medulla oblongata composed largely of occipital bone body of sphenoid petrous and mastoid parts of temporal bone. The occipital bone is the single bone that forms the posterior skull and posterior base of the cranial cavity link.

7 2 The Skull Anatomy And Physiology

The posterior and lateral views of the skull show us important bones that maintain the integrity of the skull.

Posterior skull anatomy. All vertebrates including humans have the same basic body plan they are strictly bilaterally symmetrical in early embryonic stages and largely bilaterally symmetrical in adulthood. The posterior surface protects the region of the brain that contains the occipital lobes and cerebellum. By teachmeseries ltd 2019 fig 13 lateral view of the skull showing the path of the meningeal arteries.

The skull consists of five major bones. Posterior to the mandibular fossa on the external base of the skull is an elongated downward bony projection called the styloid process so named because of its resemblance to a stylus a pen or writing tool. On the posterior skull the sagittal suture terminates by joining the lambdoid suture.

The posterior skull base consists of primarily the occipital bone with contributions from the sphenoid and temporal bones. The lambdoid suture extends downward and laterally to either side away from its junction with the sagittal suture. Standard anatomical terms of location deal unambiguously with the anatomy of animals including humans.

The basal portion of the occipital bone the basiocciput and the. That is they have mirror image left and right halves if divided down the middle. Depression formed by squamous and mastoid temporal bone plus occipital bone.

The frontal top of head parietal back of head premaxillary and nasal top beak and the mandible bottom beak. The skull of a normal bird usually weighs about 1 of the birds total bodyweight.

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