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The occipital norm (norma occipitalis), the posterior surface of the skull can be examined by this norm.

Norma lateralis exposes to our sight the temporal, infratemporal and pterygopalatine fossae.

The inferior floor corresponds to the oral cavity.

The middle floor includes the orbits and the nasal cavity.

The superior floor of the visceral cranium corresponds to the forehead.

In frontal norm the bones of the visceral cranium can be divided into three floors: The shape is also oval, but the upper part is wider than the lower one. The terms used for the examination of the skull The bones of the visceral cranium form the orbits, the oral cavity and nasal one.

The facial bones, which form the viscerocranium. The skull consists of two set of bones: The cranial bones that form the neurocranium, which lodges the brain. The initial parts of the digestive and respiratory systems are situated in this part of the skeleton. The skull is the receptacle for the most highly developed part of the nervous system, the brain and also for the sensory organs connected with it. The cranium is the skeleton of the head.Examination of the skull on alive person.Abnormalities and developmental variants of the skull.

Structural peculiarities of the skull.Functional anatomy of skull HUMAN ANATOMY DEPARTMENT Dr.