Floor Of The Anterior Cranial Fossa

It is formed by the orbital plates of the frontal the cribriform plate of the ethmoid and the small wings and front part of the body of the sphenoid.
Floor of the anterior cranial fossa. The frontal bone s horizontal plates the ethmoid bone s cribriform plate and the sphenoid bone s lesser wings and front section form the floor of the anterior cranial fossa. We treated 28 patients with anterior cranial fossa floor fractures. The anterior cranial fossa constitutes the floor of the cranial vault which houses the frontal lobes of the brain. The greater portion of the anterior floor is convex and grooved by the frontal lobe gyri.
The floor of the cranial cavity is divided into three distinct depressions. Anterior cranial fossa the anteriormost of the three divisions of the internal cranial base which houses the inferior face of the frontal lobes of the brain. The anterior cranial fossa is the frontmost of the cranial fossae. Computed tomography ct scans adjusted to bone density disclosed three fracture types.
The ethmoid bone forms the central part of the floor which is the deepest area of the anterior cranial fossa. 2 simple or multiple linear fractures. The floor of the fossa is covered by dura mater and is formed by contributions from the frontal ethmoid and sphenoid bones. It is limited behind by the posterior borders of the small wings of the sphenoid and by the anterior margin of.
And 3 extensive comminuted anterior cranial fossa floor fractures. The anterior cranial fossa is a depression in the floor of the cranial base which houses the projecting frontal lobes of the brain. This portion of the skull base consists of the orbital portion of the frontal bone. Gross anatomy structures present in the midline of the anterior cranial fossa from anterior to posterior are.
They are known as the anterior cranial fossa middle cranial fossa and posterior cranial fossa each fossa accommodates a different part of the brain.