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Paranasal sinuses, X-ray
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Paranasal sinuses, X-ray
Paranasal sinuses. Coloured X-ray of a sagittal section through a human skull. The skull has been sliced in half down the centre and the regions of the paranasal sinuses coloured. The frontal sinus (purple, upper left), the ethmoidal sinus (green), the sphenoidal sinus (red) and the maxillary sinus (yellow) are all shown. The paranasal sinuses are spaces in the bones surrounding the eyes and nose, and the cheek bones of the upper jaw. They lighten the bones of the skull and reduce the weight of the head. They are connected to the nasal passages and are lined with mucous membranes. They can fill with fluid and secrete mucus during an infection. The sinus membranes are inflamed in sinusitis
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6422204
© D. ROBERTS/SCIENCE PHOTO LIBRARY
Bones Cranium Eye Socket Frontal Half Halved Jaw Bone Jaws Lower Mandible Maxillary Nose Olfaction Olfactory Paranasal Sinuses Profile Radiograph Radiography Sagittal Sense Sinus Skeletal Smell Teeth Tooth Upper Section Sectioned
EDITORS COMMENTS
This print showcases the intricate network of paranasal sinuses within a human skull. The image depicts a sagittal section of the skull, revealing its internal structures in vivid detail. By slicing the skull in half down the center, we are granted a unique perspective on these vital sinus regions. Each paranasal sinus is color-coded to aid comprehension: the frontal sinus appears in regal purple at the upper left, followed by the ethmoidal sinus in vibrant green. The sphenoidal sinus takes on an intense red hue, while the maxillary sinus is depicted as sunny yellow. These sinuses serve multiple purposes; they not only lighten and reduce the weight of our heads but also connect to our nasal passages through mucous membranes. However, this delicate balance can be disrupted during infections such as sinusitis when fluid accumulates and mucus secretion increases due to inflammation of these membrane linings. This X-ray reveals how crucial it is for us to maintain healthy sinuses for optimal respiratory function. The photograph also offers glimpses into other aspects of cranial anatomy, including teeth and jaw bones. It provides a comprehensive view that encompasses olfactory senses (smell), eye sockets (olfaction), skeletal structure, and even sections of mandible and cranium. Overall, this mesmerizing image from Science Photo Library serves as both an educational tool and a testament to the intricacies of human physiology.
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