What is peripheral neuropathy? The choana is the paired posterior aperture of the nasal cavity that opens into the nasopharynx. The foramen spinosum contains the middle meningeal artery. There are four sets of paired paranasal sinuses that are named according to the bone in which they are located, and these are:. The bones in your skull can be divided into the cranial bones, which form your cranium, and facial bones, which make up your face. The infratemporal fossa communicates with the temporal fossa.
Injuries and medical conditions. The medial canthal tendon has two slips. Infratemporal fossa approach: the modified zygomatico-transmandibular approach. Also, you might want to watch more of our anatomy and physiology lectures on YouTube, or check our anatomy and physiology notes. Anatomy of the facial nerve in the temporal bone : HRCT. The blood vessels drain through the dural venous sinuses, a complex channel of venous drainage leading to the internal jugulars and ultimately the right side of the heart.
The movements permitted by the TMJ include depression and elevation of the lower jaw, moving the jaw forward and backward, side to side, as well as rotating movements, for example, for chewing. There are three principal fracture lines which correspond to relative areas of weakness, and these are referred to as Le Fort fractures. Maxillofac Plast Reconstr Surg. There are four sets of paired paranasal sinuses that are named according to the bone in which they are located, and these are:. Magnetic Resonance Imaging of the Brain and Spine.
The nasal cavity is a bony compartment that is split into two symmetric compartments by the nasal septum, and it has a roof, a floor and four walls that are all formed by bones of the skull. The largest opening of the skull is the foramen magnum in the cranial base, through which the spinal cord as an extension of the medulla oblongata exits the cranial cavity. The bones of the skull provide attachment for muscles of the head. The hyoid bone is a small, U-shaped bone that is located between the mandible and larynx and anterior to the third cervical vertebra. Take our free and quick! The middle third of the orbit is comprised of the thin bone of the lamina papyracea, orbital floor and roof and orbital plate of the greater sphenoid wing.