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2. Sinus (anatomy) - Wikipedia

   en.wikipedia.org/wiki/Sinus_(anatomy)

   Ethmoid sinus cavities which are located between the eyes. Frontal sinus cavities which can be found above the eyes (more in the forehead region). Maxillary sinus cavities are located on either side of the nostrils (cheekbone areas). Sphenoid sinuses that are located behind the eyes and lie in the deeper recesses of the skull.

3. Frontal sinus - Wikipedia

   en.wikipedia.org/wiki/Frontal_sinus

   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 the bones of the face and skull. Each opens into the anterior part of the corresponding middle nasal meatus of the nose through the frontonasal duct which traverses the anterior part of the ...

4. Paranasal sinuses - Wikipedia

   en.wikipedia.org/wiki/Paranasal_sinuses

   The paranasal sinuses are joined to the nasal cavity via small orifices called ostia. These become blocked easily by allergic inflammation, or by swelling in the nasal lining that occurs with a cold. If this happens, normal drainage of mucus within the sinuses is disrupted, and sinusitis may occur. Because the maxillary posterior teeth are ...

5. Head and neck anatomy - Wikipedia

   en.wikipedia.org/wiki/Head_and_neck_anatomy

   The head rests on the top part of the vertebral column, with the skull joining at C1 (the first cervical vertebra known as the atlas). The skeletal section of the head and neck forms the top part of the axial skeleton and is made up of the skull, hyoid bone, auditory ossicles, and cervical spine. The skull can be further subdivided into:

6. Sphenoid sinus - Wikipedia

   en.wikipedia.org/wiki/Sphenoid_sinus

   On average, a sphenoid sinus measures 2.2 cm vertical height, 2 cm in transverse breadth; and 2.2 cm antero-posterior depth. [3] Each spehoid sinus is in the body of sphenoid bone, just under the sella turcica. The sphenoid sinuses are separated from each other medially by the septum of sphenoidal sinuses, which is usually asymmetrical.

7. Base of skull - Wikipedia

   en.wikipedia.org/wiki/Base_of_skull

   1.2 Sinuses. 1.3 Foramina of the skull. 1.4 Sutures. ... It is composed of the endocranium and the lower parts of the calvaria ... Additional images. Base of the ...

8. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Transverse sinuses - Wikipedia

   en.wikipedia.org/wiki/Transverse_sinuses

   The transverse sinuses (left and right lateral sinuses), within the human head, are two areas beneath the brain which allow blood to drain from the back of the head. They run laterally in a groove along the interior surface of the occipital bone .