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Paranasal sinuses
Paranasal sinuses are a group of four paired air-filled spaces that surround the nasal cavity ( maxillary sinuses ), above the eyes ( frontal sinuses ), between the eyes ( ethmoid sinuses ), and behind the ethmoids ( sphenoid sinuses ).
Paranasal sinuses Human nose Sinusitis Maxillary sinus Rhinoplasty Sphenoid sinus Human brain Nasal concha Physiology of underwater diving Ethmoid sinus Sinus (anatomy) Cystic fibrosis Respiratory system Lung Respiratory tract Toothache Epstein–Barr virus–associated lymphoproliferative diseases Aerosinusitis Endoscopic endonasal surgery Nasal cavity Nasal polyp Functional endoscopic sinus surgery Health effects of electronic cigarettes Ovarian cancer Frontal sinus Physiology of dinosaurs Heart Skull Neanderthal Common ostrich Paranasal sinus and nasal cavity cancer Head and neck cancer Insect morphology Murine respirovirus Fish physiology Cavernous sinus thrombosis Influenza Meningitis Skull fracture Dinosaur Chronic obstructive pulmonary disease Physiology of decompression Vein Pulmonary contusion Crocodilia Marginal zone B-cell lymphoma Human physiology of underwater diving Mammal Tyrannosaurus Permian–Triassic extinction event Dentigerous cyst Hemoglobin Orbit (anatomy) Oroantral fistula Vagina Space medicine Cleft lip and cleft palate Underwater diving Mouth infection Homeostasis Dental implant Ozone Oxygen toxicity Hypoxia (medicine) Cavernous sinus Fungal sinusitis Common raven physiology Horse colic Joseph Lister Mosasaurus Stegoceras Marine life Brachiosaurus Reptile Orbital emphysema Bird anatomy Le Fort fracture of skull Frog Cranial nerves Protoceratops Fish anatomy Rebreather diving Trigeminal nerve Mucus Diving rebreather Gas exchange Lyme disease Odontogenic infection Human digestive system Diffuse panbronchiolitis Ambulocetus Mouth ulcer Common octopus Sinus lift Obstructive sleep apnea Irritator Breathing apparatus Ulcerative colitis Helicobacter pylori Decompression theory Tanystropheus Sphenoid bone Pneumonia Barotrauma Bird Radiation therapy Tooth decay Rhinorrhea Evidence of common descent Sepsis Thyroid Facial nerve Mucormycosis Carbon dioxide Hyperbaric medicine Nose Tylosaurus Pterosaur Silent sinus syndrome HPV-positive oropharyngeal cancer Dilophosaurus Jaw abnormality Sarcoidosis Beluga whale Endometrial cancer Ataxia–telangiectasia Chemotherapy Lead poisoning Liver Southern bluefin tuna Juvenile active ossifying fibroma Ankylosaurus Indoor air quality Carbon monoxide poisoning Acne Preterm birth Upper respiratory tract infection Atrial fibrillation Orbital blowout fracture Infection Spinal cord injury Drowning Hepatitis Panoplosaurus Achelousaurus List of Supernatural and The Winchesters characters Ixodes holocyclus Human tooth Meiolania Extranodal NK/T-cell lymphoma, nasal type Treatment of equine lameness Asthma Anaerobic infection Clitoris Amphibian Air pollution Sawdust Esophagus Guttural pouch Red imported fire ant Rheumatoid arthritis Shark Human microbiome Lymph node Amyotrophic lateral sclerosis Onychophora Ileo-anal pouch Fish Brain tumor Gorgonopsia Lung cancer Iron Tetrapod Head and neck anatomy Skeletal pneumaticity Cetacea Stroke Parotid gland Ichthyosauria Ear Victor Negus Biological functions of nitric oxide Evolutionary history of plants Breastfeeding Mold health issues Body of sphenoid bone Maxillary hiatus Air sac Tracheal intubation Scrotal ultrasound Health effects of Bisphenol A Snorkel (swimming) Conidiobolomycosis Heart rate Soil Temporomandibular joint dysfunction Sheep Cerebrospinal fluid Vulva Pneumothorax Alkali metal Dementia Respiratory syncytial virus Hypoxia in fish Oxygen History of life Crohn's disease Lemur Nasal mucosa Elephant ALS Vocal cord dysfunction Carcinogenesis Gut microbiota Meconium aspiration syndrome Face masks during the COVID-19 pandemic Vitamin C Health effects of tobacco Sleep apnea Scuba skills Majungasaurus Ethmoid bone Cocaine Functional magnetic resonance imaging Scuba diving Malaria Leukoplakia Velociraptor Human body Carnotaurus Climate change in Washington Evolution of olfaction Oral cancer List of Supernatural characters Facial trauma COVID-19 pandemic Pharmacokinetics of progesterone Photodynamic therapy Cerebral venous sinus thrombosis Paranthropus robustus Cervix Organ-on-a-chip Copper in biology Saturation diving Anatomy Chernobyl disaster Breast cancer Nerve guidance conduit Botulism Pollution in California Bat Tyrannosauridae Face and neck development of the human embryo Harmful algal bloom Human nutrition Sense of smell Combined oral contraceptive pill Anthrax Silicon Physiological effects in space Evolution of mammals Melioidosis Oral mucocele Hereditary hemorrhagic telangiectasia Ceratosaurus Dental anatomy Red blood cell Breathing Confuciusornis Trachea Dental emergency Cholestasis Pterygopalatine ganglion Cephalopod Immune system Child development History of Earth Human tooth development Respiratory system of the horse Skeletal muscle Nitrogen Metal–organic framework List of Doctor Who universe creatures and aliens Biofilm Tuberculosis management Wildfire Glaucoma White-tailed eagle Traditional Chinese medicine Pinniped Innate lymphoid cell Turtle Human embryonic development Sense Traumatic brain injury Chloroplast Influenza vaccine Human sexuality Rabbit Blood Cooper's hawk Carbon sequestration African humid period Taste Plasma cell dyscrasias Nasal cartilages Staphylococcus aureus Alzheimer's disease Inflammation Sperm whale Ecology Long-eared owl Cabin pressurization Allergy Osteogenesis imperfecta Bronchus Scipionyx Melanoma Diving hazards N-Acylethanolamine Dolphin Oxygen therapy Rebreather Intracranial hemorrhage Beak Epilepsy Rhinitis List of dangerous snakes Respiratory disease Pituitary adenoma Neuroscience of sleep Nutritional neuroscience Reindeer Specimens of Archaeopteryx Diprotodon Evolution Fungus Particulates Glucose Beetle Deep vein thrombosis Pharynx Arsenic Aspirin Serotonin Spider Multiple sclerosis Dental extraction Polio Dry suit Pulmonary hypertension Respiratory epithelium Tracheobronchial injury Cat food Eustachian tube Urinary bladder Headache Heart failure Morphine Wetland Nitrous oxide Bladder Ethmoidal labyrinth Idiopathic intracranial hypertension Parasympathetic nervous system Olfactory system Uncinate process of ethmoid bone Shingles Aspirin-exacerbated respiratory disease Teleost Lead Kidney Lepidoptera Peking Man Rectal prolapse Edmontosaurus Jellyfish Fracking in the United States Pain in fish Cretaceous–Paleogene extinction event Cerebral palsy Horse Mumps Common cold Oral mucosa Salamander Vitamin A Bivalvia Decompression sickness Lymphatic system Evolution of cetaceans Leptospirosis Octopus Childbirth Dysosmia Intranasal drug delivery Eosinophilia Crocodile Cactus Diving regulator Lupus Attention deficit hyperactivity disorder Human impact on the environment Tuberculosis Thrombosis Psittacosaurus Glossary of baseball terms Oral candidiasis Human papillomavirus infection Allosaurus Cataract surgery Induced stem cells Maxilla Osteomyelitis of the jaws Ebola Epigenetics Chlorine Snake Hypopituitarism Dimetrodon Zinc Moose Origin of birds Metabolic dysfunction–associated steatotic liver disease Smallpox Sigmund Freud Long-term effects of alcohol Wound healing Cyanobacteria Vitamin D Ammonia Pancreatic cancer Antimicrobial resistance Virus Bacteria Lithium-ion battery HIV/AIDS Tissue engineering Macrophage Adolescence Climate change mitigation Diffuse large B-cell lymphoma Functional hypothalamic amenorrhea Ocean acidification Post-nasal drip Baryonyx Occlusion (dentistry) Drosophila melanogaster Toxoplasmosis Xixiasaurus Biofeedback Posterior cranial fossa Ozone depletion Acute respiratory distress syndrome Red-tailed hawk Evolution of tetrapods Heart development Light in painting Climate change Dental anesthesia Allergic rhinitis Paramylodon Infant mortality Insect Cattle Development communication International Space Station Graphene Steppe eagle Carbon monoxide Amphetamine Pulp (tooth) COVID-19 misinformation Obesity hypoventilation syndrome Silver Underwater environment Mandibular fracture Mechanism of diving regulators Diving cylinder Phantosmia Decongestant American flamingo Marine plastic pollution Osteonecrosis of the jaw Dry eye syndrome Cardiac physiology Bruxism Sea Well-being contributing factors Mesothelioma Colorectal cancer Domestic rabbit ELOM-080 Hematopoietic stem cell transplantation Free fatty acid receptor 4 Strepsirrhini Nitrogen dioxide poisoning Cerebral circulation Birth defect Nasal meatus Nosebleed Alcohol (drug) Arctodus Machairodontinae Puberty Neanderthal 1 Diving safety Prostate cancer Brain Subarachnoid hemorrhage Scuba set Beaver Ultraviolet Complete blood count Amelia Earhart Sauropoda Red fox Local anesthetic Marine microorganisms Mammalian kidney Scelidosaurus Baru Ocean Brain abscess Air pollution in the United States Carbon dioxide in Earth's atmosphere Bone Ventilation (architecture) Microplastics Atrial septal defect Western African Ebola virus epidemic Dioxins and dioxin-like compounds Attachment theory Gasoline Dopamine Nemegtomaia History of the nude in art Hemothorax Mollusca History of chemistry Cerebral edema Snowy owl Consciousness Drugs in pregnancy Hyperthyroidism Primary effusion lymphoma Diabetic foot ulcer History of medicine Thorium Biology Frontal bone History of science and technology in Africa Myocardial infarction Mycoplasma gallisepticum Type 1 diabetes Annelid Genetically modified organism Freediving blackout List of periodontal diseases Phonetics Periodontology Skeletal system of the horse Nasal vaccine Water Renal cell carcinoma Dura mater Dog anatomy Dentures Water on Mars Urban forestry Trace metal stable isotope biogeochemistry Mekosuchus Feminizing hormone therapy Millennials Wedge-tailed eagle Nicotine Free fatty acid receptor 2 Plastic pollution Anterior ethmoidal artery Tasmanian devil Health effects of radon Sponge Prostate Developmental psychology Hypodontia Otitis media Language Eocene Hydrocephalus Endocrine disruptor Migraine Vancleavea Underwood's septa Mitochondrion Syphilis Euchambersia Dog health Regeneration (biology) Hypoxia (medical) Creosote Cerebellum Visual impairment due to intracranial pressure Hookworm infection Vertebral column Boron Equine nasal cysts Nasal administration COVID-19 vaccine Root canal treatment Bryozoa Humidity Vitamin B12 deficiency Coral Electronic cigarette and e-cigarette liquid marketing Lactobacillus vaccine Temporomandibular joint Anaerobic digestion Photosynthesis Aluminium Water fluoridation Vocal resonation Gallimimus Facioscapulohumeral muscular dystrophy Scaly-foot gastropod Internal combustion engine Genetically modified food controversies Primary ciliary dyskinesia Falx cerebri Radon Coral reef Desert Synapsid Protoavis Recent human evolution Breathing gas Inner ear Spotted hyena Gaseous signaling molecules Diabetes management Phagocyte Nonsteroidal anti-inflammatory drug Paludirex Cathode-ray tube Thymus Vocal cords Future of Earth Dementia with Lewy bodies Spinophorosaurus Anosmia Craniofacial regeneration Epithelium List of Star Wars creatures Vaccine hesitancy Triceratops Confluence of sinuses Surface-supplied diving 2009 swine flu pandemic Ural owl Short-beaked echidna Uranium mining Zygomycosis Corrosion South African labour law Endometriosis Atmosphere of Venus Kidney stone disease In vitro fertilisation Vocal pedagogy Earthworm Marine food web Cysts of the jaws Temnospondyli Neurotoxin Periodontal disease Oil sands Larynx Taylorella equigenitalis Evolutionary psychology Nasal irrigation Swine influenza Slow loris Mars Athabasca oil sands Europasaurus Methicillin-resistant Staphylococcus aureus List of My Hero Academia characters Evolution of human intelligence Kawasaki disease Fluorine Earth Leprosy Baleen whale Congenital adrenal hyperplasia due to 21-hydroxylase deficiency Injury in humans Rotator cuff tear Sickle cell disease List of recurring The Simpsons characters Schistosomiasis Peptic ulcer disease Origin of language Fossil List of Garo characters Ethylene oxide Lake metabolism Risk factors for breast cancer Schizophrenia Radiation effects from the Fukushima Daiichi nuclear disaster Tool use by non-humans Reactive oxygen species Infant respiratory distress syndrome Rare-earth element Arsenic poisoning Urban ecology Anterior ethmoidal nerve MicroRNA Dromedary Gallbladder Supercapacitor Tooth enamel Potential applications of carbon nanotubes Snakebite Marine mammal Botany Sick building syndrome Carbon Biological pump Abiogenesis Periapical cyst Euoplocephalus Large intestine Coal Concrete degradation Manganese Retina Cardiopulmonary resuscitation Social history of viruses Carcharodontosaurus Decomposition Luftnachrichten Abteilung 350 Actinide Spina bifida Brain–computer interface Cluster headache Behçet's disease Eolambia Ectopic pregnancy Spawn (biology) Work of breathing Diving reflex Treacher Collins syndrome Adenomyoma Conservation and restoration of bone, horn, and antler objects Tourette syndrome List of Fables characters Investigation of diving accidents Plutonium Impact of the COVID-19 pandemic on the environment Vaccine Juvenile idiopathic arthritis Race and health in the United States List of Wild Cards characters Mineral Nile crocodile Great horned owl Addiction Starfish Multiple myeloma Mechanical ventilation Malnutrition Selenium Down syndrome Adult neurogenesis Multisystem inflammatory syndrome in children Crown (dental restoration) Sulfatide Triassic–Jurassic extinction event Kambara Marine coastal ecosystem Antidepressant Alveolar process Pulse oximetry Hummingbird Ant Aging brain Anterior cranial fossa Plesiosaur Entelodontidae Heroin Fibromyalgia Proteasome Dingo Central sleep apnea Woolly mammoth Psychopathy Odor Megabat Human vestigiality Mucoadhesion Spanish flu Embodied cognition Testosterone The Dresden Files characters Cambrian explosion Syncope (medicine) Electroencephalography Gas metal arc welding Contact lens Artificial cardiac pacemaker Cavitation Sniffing (behavior) Zygomatic bone Cnidaria Climate change in New Zealand Bioarchaeology Pseudomonas aeruginosa Human factors in diving equipment design Marine biogeochemical cycles Orbital cellulitis Trilophosuchus Heating, ventilation, and air conditioning Coccolithophore Rafael Viñoly Arachidonate 5-lipoxygenase Squid Therizinosauridae Bachitherium Network neuroscience Mouthwash Aphthous stomatitis Plesiorycteropus Heterodontosaurus Barred owl Slavery in ancient Rome Cribriform plate Bordetella avium Birth control Fish farming Bad breath Sulfur Childhood immunizations in the United States Raccoon Nasal cannula Insect wing Cerebrospinal fluid leak Volcanic ash Nuclear winter Human herpesvirus 6 Plasmablastic lymphoma Olfactory nerve Whale Postpartum psychosis Coeliac disease Effects of climate change on agriculture Eating disorder Posterior ethmoidal nerve Esophageal cancer Actin Innate immune system Open bite malocclusion Progestogen (medication) Linezolid Human evolution Coccidioidomycosis Peripheral chemoreceptors Nonverbal communication Eurasian goshawk Panic disorder Snowball Earth Brachiopod Cheetah Polyp (medicine) Responses to the COVID-19 pandemic in April 2020 Atom Ethnomusicology Arthropod Sea urchin Tartan Pseudoephedrine Ear clearing Saichania Food allergy Giraffe Vomeronasal organ Articulatory phonetics Psychology Deforestation Environmental toxicology Thracian religion Tumor microenvironment Earth shelter Pre-Bötzinger complex Death Preventive healthcare Physical attractiveness External morphology of Lepidoptera Aluminum electrolytic capacitor Impacted wisdom teeth Pheochromocytoma Plant nutrition Maternal physiological changes in pregnancy Pharyngeal arch Value-form Altitude sickness Niolamia Maternal effect Diamond Domestication of the dog ATP-binding cassette transporter Escherichia coli SUNCT syndrome Rare Earth hypothesis Zebrafish Phaeohyphomycosis Pregnancy Causes of autism Environmental issues with coral reefs Glossary of ancient Roman religion List of Alex Rider characters Supernova Tongue Macular degeneration Extinction event Management of HIV/AIDS Paleocene Dental follicle Flatworm Atmosphere of Mars DNA methylation Smilodon Edmontonia Aquatic respiration Aggression Salivary gland Toothed whale Antibiotic Brontosaurus Pancreas Risk factors of schizophrenia Human eye Ophthalmic artery Chromium Pterygoid processes of the sphenoid Sexuality in ancient Rome Nervous system Focal infection theory Photic sneeze reflex Bitumen Climate change in the United States Zero-point energy Nuclear power debate Kosmoceratops Singing Huanjing bunao Atherosclerosis Thoracic diaphragm Deepwater Horizon oil spill Ctenophora Diatom Emu Squamous part of the frontal bone Periodic table Danger triangle of the face Naegleria fowleri Biology of depression Parasaurolophus N,N-Dimethyltryptamine Arktocara Chronic fatigue syndrome American alligator Reading Hip replacement Decompression practice South African criminal law Positive airway pressure Carnivorous plant Stegosaurus Bowfin Imperial Roman army Neurogenic claudication Wild animal suffering Bipolar disorder Soybean Logology (science) Microbial metabolism Salmonella Fungicide use in the United States Sjögren syndrome Viatkogorgon Tawny eagle Aspergilloma Papua (province) Craniosynostosis Guillain–Barré syndrome Bradycardia Sexual dimorphism Malocclusion Rapid eye movement sleep Epigenetics of physical exercise Glyptodon Prosthesis