The sphenoid bone is a unique bone located at the base of the skull. It is shaped like a butterfly, with wings on either side and a body in the center. The sphenoid bone plays several important roles in the human body.
One of the main functions of the sphenoid bone is to provide support for the brain and the eyes. It is one of the bones that make up the floor of the skull, and it helps to form the base of the brain case. The sphenoid bone also contains several small openings, or foramen, which allow nerves and blood vessels to pass through to the brain.
The sphenoid bone also plays a role in the movement of the jaws. It contains a small joint, called the sphenomandibular joint, which allows the lower jaw to move up and down and side to side. This joint is located near the center of the sphenoid bone and is essential for chewing and speaking.
In addition to its structural functions, the sphenoid bone is also involved in the production of certain hormones. It contains small glands called pituitary glands, which produce hormones that regulate various body functions such as growth, metabolism, and reproductive health.
Despite its importance, the sphenoid bone is not a weight-bearing bone and is not visible from the outside of the body. It is often overlooked in discussions of the human skeleton, but it plays a vital role in the overall functioning of the body.
In summary, the sphenoid bone is a unique and important bone located at the base of the skull. It provides support for the brain and eyes, plays a role in jaw movement, and is involved in the production of hormones. While it may not be as well-known as some other bones in the body, it is an integral part of the human anatomy.
Sphenoid Bone
World Neurosurgery 125, e48—e59 2019. The medial border of the optic canal is formed by the body of the sphenoid. This will prevent your air passages from getting dry and irritated. The symptoms of sphenoid sinusitis include pain or pressure behind the eyes — the sphenoid sinuses are located near the optic nerve and can be very sensitive. The anterior clinoid processes arise from the sphenoidal lesser wings, while the posterior clinoid processes are the superolateral projections of the dorsum sellae. Sinusitis is inflammation of a sinus caused by a bacterial infection that can follow a viral infection. I struggled for years with intense sinus pressure and headaches, and was generally shrugged off by other ENTs.
The sella turcica is surrounded by the anterior and posterior clinoid processes. While certain kinds of sinus fracture can be handled more conservatively essentially, prescribing medications to reduce pain and inflammation and ensure healing occurs properly , sphenoid fractures will typically require surgery to repair. It separates the anterior cranial fossa from the middle cranial fossa. It contains the sphenoidal sinuses, which are separated by a septum - meaning that the sphenoid body is essentially hollow. Tumors near the sella or optic nerve can cause visual field defects, optic disc edema or atrophy. Orbit, Eyelids, and Lacrimal System.
Meningiomas of the anterior skull base constitute 40% of all intracranial meningiomas, and sphenoid wing meningiomas constitute 11-20% of intracranial meningiomas Sphenoid wing meningiomas are classified as either globoid tumors with a nodular shape or an en plaque tumor which is flat and spreads along the entire sphenoid ridge Etiology Sphenoid wing meningiomas are slow growing tumors that originate from outer arachnoid meningeal epithelial cells. This has been reported in 12. Rising from the front of the body of the sphenoid bone and moving off to the sides, the two paired lesser wings are triangular in shape. If you have symptoms of sphenoid sinusitis, relief is available with specialized sinus infection treatment. Since the balloon procedure I have not had to take decongestants.
They can be part of Microscopic, endoscopic or balloon-assisted endoscopic procedures performed in endonasal sinus surgery and endonasal neurosurgery. Levitin for the balloon sinuplasty procedure for sinusitis and migraine sufferers. I have referred friends, family members and work colleagues to him for a variety of issues and they all have told me how he has helped them. It is also housed in the sella turcica. The palatovaginal or pharyngeal canal contains the pharyngeal nerve. This is because of the presence of essential nerve and vessel structures in this area.
A sphenoidotomy refers to a surgical procedure when the natural ostium of sphenoid sinus is enlarged in varying degrees. There is a 'slit-like' gap between the lesser and greater wings of the sphenoid - the superior orbital fissure. Endoscopic endonasal versus open transcranial resection of anterior midline skull base meningiomas. Sphenoid wing meningiomas: Surgical strategies and evaluation of prognostic factors influencing clinical outcomes. Sphenoid sinusitis can present with different Sphenoid sinusitis can be caused by both bacterial and viral infections that impact the upper respiratory system.
I went to Dr. Info is protected under DMCA laws. The front portions of the greater wings help form the sidewalls of the orbit. Two months later of a bitter cold winter and so far I have been spared from these sinus headaches. By the twenty-fifth year the sphenoid and occipital are completely fused. TNOA J Ophthalmic Sci Res 2018;56:71-5. This information is intended for medical education, and does not create any doctor-patient relationship, and should not be used as a substitute for professional diagnosis and treatment.
This Sinuplasty procedure truly has now changed my quality of life! In addition, drainage of mucus from the sphenoid down the back of the throat postnasal drip can cause a sore throat and can irritate the membranes lining the larynx. The CSF surrounds the brain. Breathe in the warm air as you bathe, as it promotes drainage of the sinus cavities. To relieve nasal congestion, blow out one nostril at a time. Current Opinion in Oncology 24, 666—671 2012. Thieme Atlas of Anatomy os sphecoidale, meaning "bone resembling a wasp", and that the word was later written 'sphenoidale' by a transcription error.
By Fig 3 — Bony landmarks of the sphenoid body. The medical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. The In the first year after birth the great wings and body unite, and the small wings extend inward above the anterior part of the body, and, meeting with each other in the middle line, form an elevated smooth surface, termed the jugum sphenoidale. I highly recommend Dr. Medial Sphenoid Wing Meningiomas: Clinical Outcome and Recurrence Rate.
