Paranasal sinuses are a group of four paired air-filled spaces that surround the nasal cavity. The maxillary sinuses are located under the eyes; the frontal...

occurring in the sinus cavities can affect the chest and lungs. Paranasal sinuses Maxillary Ethmoid Sphenoid Frontal Dural venous sinuses Anterior midline...

sphenoid sinus is a paired paranasal sinus occurring within the body of the sphenoid bone. It represents one pair of the four paired paranasal sinuses. The...

function in breathing. The nasal mucosa lining the nasal cavity and the paranasal sinuses carries out the necessary conditioning of inhaled air by warming and...

toga, in the typical style of wearing it Sinus (anatomy), a sac or cavity in any organ or tissue Paranasal sinuses, air cavities in the cranial bones, especially...

The pyramid-shaped maxillary sinus (or antrum of Highmore) is the largest of the paranasal sinuses, located in the maxilla. It drains into the middle...

ethmoid sinuses or ethmoid air cells of the ethmoid bone are one of the four paired paranasal sinuses. Unlike the other three pairs of paranasal sinuses which...

smell. The four paired paranasal sinuses are the frontal, ethmoidal, maxillary, and sphenoidal sinuses. The ethmoidal sinuses are further subdivided into...

cavity or paranasal sinus cancer is often discovered when a person is being treated for a seemingly benign, inflammatory disease of the sinuses, such as...

The frontal sinuses are one of the four pairs of paranasal sinuses that are situated behind the brow ridges. Sinuses are mucosa-lined airspaces within...

ascent, the air in the paranasal sinuses will expand according to Boyle's law, contracting during descent. Normally, the sinuses drain into the nasal cavity...

the nasal mucosa (rhinitis) and an infection of the mucosa of the paranasal sinuses (sinusitis). A distinction is made between acute rhinosinusitis and...

Osteoma represents the most common benign neoplasm of the nose and paranasal sinuses. The cause of osteomas is uncertain, but commonly accepted theories...

or upper respiratory tract includes the nose and nasal passages, paranasal sinuses, the pharynx, and the portion of the larynx above the vocal folds...

tissue. Anosmia stemming from sinus inflammation is due to chronic mucosal changes in the lining of the paranasal sinus and in the middle and superior...

in sinus surgery for polyps is to allow delivery of the steroids into those areas of the sinuses where polyps develop, namely, the ethmoid sinuses. Specially...

inside of the nasal passages and sinuses. The surgeon can then remove any tissue or obstruction that is blocking the sinuses, such as swollen or infected...

nostrils to the nasopharynx and rest of the respiratory tract. The paranasal sinuses surround and drain into the nasal cavity. The term "nasal cavity"...

lymph nodes Percussion may involve the skin above the frontal sinuses and paranasal sinuses to detect any signs of pain Auscultation for carotid bruits...

material coming from local (ear infection, dental abscess, infection of paranasal sinuses, infection of the mastoid air cells of the temporal bone, epidural...

or cavities of the body, usually with reference to the throat and paranasal sinuses. It can result in a thick exudate of mucus and white blood cells caused...

sutures, large fontanelles, multiple wormian bones and underdeveloped paranasal sinuses. Panoramic view of the jaws showing multiple unerupted supernumerary...

lining mucosa of the paranasal sinuses due to a fungal infection. It occurs in people with reduced immunity. The maxillary sinus is the most commonly...

They can also develop within body cavities such as the sphenoid or paranasal sinuses, the ear canal, and rarely on surfaces such as heart valves.[citation...

structures in the skull. Maxillary sinuses. Frontal sinuses, seen with an oblique view. Ethmoidal cells. Sphenoid sinus, seen through the open mouth. Odontoid...

highly anastomotic venous system of the paranasal sinuses allows retrograde spread of infection to the cavernous sinus via the superior and inferior ophthalmic...

including dinosaurs and pterosaurs. Pneumatic spaces include the paranasal sinuses and some of the mastoid cells. Postcranial pneumaticity is found largely...

into the paranasal sinuses rather than expelling it out of the nose. The doctors suspected that nose-blowing may increase the risk of sinus infections...

laceration that tears the epidermis and the meninges, or runs through the paranasal sinuses and the middle ear structures, bringing the outside environment into...

breast, lacrimal gland, lung, brain, Bartholin gland, trachea, and the paranasal sinuses. It is the third-most common malignant salivary gland tumor overall...