Shown in isolation in a superior and b posterior views the sphenoid bone is a single midline bone that forms the anterior walls and floor of the middle cranial fossa.
Cranial floor superior view.
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This article will describe the anatomical structures which can be seen from a superior view of the skull base this will include the various foramina the nerves and arteries that pass through them but also the structures of the brain and cerebellum which all lie within the three main parts of the skull base called cranial fossae.
Only bones structures listed in class are listed here.
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The lesser wings are flattened triangular in shape and located above and anterior to the greater wings.
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This view may expose some daunting anatomy but it is not.
Free online quiz superior view of the cranial floor.
This is an online quiz called superior view of cranial floor there is a printable worksheet available for download here so you can take the quiz with pen and paper.
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Superior view of the cranial floor learn by taking a quiz.
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.
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Cranial floor view inferior view lesser wing ala minor sphenoidalis is the smaller of two wing like lateral extensions that arise from the sides of the sphenoid body.
Superior view of the cranial floor.
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It has a pair of lesser wings and a pair of greater wings.
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Posterior slightly superior to nasal cavity anterior view frontal plane superior view transverse plane lateral view sagittal plane.
Lies at the middle part of the base of the skull and is called the keystone of the cranial floor because it articulates with all the other cranial bones holding them all together.
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Since the brain occupies these areas the shape of each conforms to the shape of the brain regions that it contains.
Superior view of floor of cranial cavity learn by taking a quiz.
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