Skull Internal Cranial Floor View

Basis cranii externa is the outer or inferior aspect of the skull base it extends from the superior incisor teeth to the superior nuchal lines of the occipital bone.

Skull internal cranial floor view.

Since the brain occupies these areas the shape of each conforms to the shape of the brain regions that it contains. Inside the skull the floor of the cranial cavity is subdivided into three cranial fossae spaces which increase in depth from anterior to posterior see figure 4 figure 6b and figure 9. Lesser wing of sphenoid bone. Online quiz to learn bones of the skull superior cranial floor your skills rank.

The floor of the middle cranial fossa and part of the posterior cranial fossa is formed by the temporal bone. Tibia and fibula quiz. B the complex floor of the cranial cavity is formed by the frontal ethmoid sphenoid temporal and occipital bones. Frontal bone cranial view frontal sinus.

The base of skull also known as the cranial base or the cranial floor is the most inferior area of the skull. Another feature is the internal occipital protuberance which is a small projection of the internal surface of the occipital bone in the midline. The anterior part of the external cranial base. The sphenoid bone is a butterfly shaped cranial bone that is located in the middle of the skull between the frontal and temporal bones.

Start quiz retake quiz. Learn anatomy faster and more efficiently with these interactive exam style quizzes. Only bones structures listed in class are listed here. Frontal bone cranial view frontal sinus.

Superior view of the cranial floor. Or temporal squama pars squamosa. External and internal views of base of skull a the hard palate is formed anteriorly by the palatine processes of the maxilla bones and posteriorly by the horizontal plate of the palatine bones. Cranial floor skull bone markings quiz 1.

The external cranial base or external surface of cranial base latin. It is composed of the endocranium and the lower parts of the skull roof. The cranium skull is the skeletal structure of the head that supports the face and protects the brain it is subdivided into the facial bones and the brain case or cranial vault figure 1 the facial bones underlie the facial structures form the nasal cavity enclose the eyeballs and support the teeth of the upper and lower jaws. Cranial floor markings quiz part 2.

The external cranial base can be subdivided into anterior middle posterior and lateral parts. Cranial floor skull bone markings quiz 2. The skull internal cranial floor.