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The sella turcica latin for turkish seat is a saddle shaped depression in the body of the sphenoid bone of the human skull and of the skulls of other hominids including chimpanzees orangutans and gorillas it serves as a cephalometric landmark the pituitary gland or hypophysis is located within the most inferior aspect of the sella turcica the hypophyseal fossa.
Nasal fossa floor. All images over. The nasal septum divides the cavity into two cavities also known as fossae. Cerebral fossa any of the depressions on the floor of the cranial cavity. The cavernous sinuses are on each side of the sella turcica.
The radiographs were interpreted by two examiners. In anatomy a hollow or depressed area. The depth of the olfactory fossa is determined. The cribriform plate of the anterior cranial base is the roof of each nasal fossa while the palate forms the floor fig.
The front portion of the cranial floor is known as the anterior cranial fossa. Fos ah pl. Fos sae l. Each cavity is the continuation of one of the two nostrils the nasal cavity is the uppermost part of the respiratory system and provides the nasal passage for inhaled air from the nostrils to the nasopharynx and rest of.
The upper images are double real images mainly formed by the junction of the nasal septum with the nasal fossa floor and possibly by posterior parts of the hard palate and nasal fossa floor. Nasal septum palatal mucosa anterior to canines area immediatley posterior to maxillary incisors. The lower image represents the nasal fossa floor especially its lateral and anterior limits. Ct scan slice showing the human nasal cavity in a coronal plane.
The nasal cavity is a large air filled space above and behind the nose in the middle of the face. Metal wires positioned along the nasal fossa floor were also used bilaterally fig. Besides the anterior and posterior apertures each nasal cavity has a roof floor and lateral and medial walls there are 12 cranial bones in total that contribute to the nasal cavity structure which include the paired nasal maxilla palatine and lacrimal bones as well as the unpaired ethmoid sphenoid frontal and vomer bones among all of them the ethmoid bone is the most important. The anterior cranial fossa supports the frontal lobes of the brain.
Olfactory epithelium is often restricted to. Learn vocabulary terms and more with flashcards games and other study tools. Start studying nasal cavity and pterygopalatine fossa. 2 and multiple when two or more lines or bands were present fig.
Inferior orbital fissure to the floor of the orbit. Amygdaloid fossa the depression in which the tonsil is lodged. The sella turcica is most commonly accessed through the nasal cavity. The olfactory fossae or grooves of the cribriform plate are shallow depressions located within the ethmoid bone in the anterior cranial fossa that contains the olfactory bulb of the olfactory nerve the floor is formed by the medial lamella of the cribriform plate bordered laterally by the lateral lamella and medially by the perpendicular plate.
Condylar fossa condyloid fossa either of two pits on the lateral portion of the occipital bone.
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