Floor Of Sella Turcica Bone

The anterior part of the sella turcica which forms the horn of the saddle is a ridge called the tuberculum sellae. The sphenoid bone contains two cavities known as the sphenoidal sinuses. Figure 1 2 saddle like depression which is sella turcica.

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The empty sella turcica was first described in 1949 as a condition where the sella turcica is only partially filled by the pituitary gland which appears flattened against the sellar floor fig.

Floor of sella turcica bone.

A median portion known as the body of sphenoid bone containing the sella turcica which houses the pituitary gland as well as the paired paranasal sinuses the sphenoidal sinuses. Two greater wings on the lateral side of the body and two lesser wings from the anterior side. Sella turcica resembles as saddle like depression which provide place for the pituitary gland. It is divided into the following parts.

The sella turcica sella saddle. Sella turcica in the superior aspect of the sphenoid bone. Sella sel ah l a saddle shaped depression. It houses the pituitary gland.

The sella turcica is a cup shaped depression in the central basisphenoid bone which contains the pituitary gland and inferior part of the infundibular stalk. It is divided into three fragments and consists of an anterior wall a floor and a posterior wall. Anatomically the sella turcica has been expressed as variable. 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.

Which of the following bones do not contain a sinus. Coronal cryomicrotome section through the sella turcica. 1 autopsy studies confirm the high disease prevalence reported to be 5 5 to 20 of the general population. 2 not surprisingly many patients.

The sphenoid sinus is inferior and anterior to the sella turcica the paired cavernous sinuses are lateral the suprasellar cistern and its contents are superior and the basilar artery and brainstem are posterior the pituitary gland which weighs about 0 5 g in the adult is the only structure of. Figure 14 4 gross anatomy of the sella and pituitary gland. Sella tur cica a depression on the upper surface of the sphenoid bone lodging the pituitary gland. The sella turcica is a depression in the central region of the sphenoid bone.

The sphenoid bone sph forms the bony floor of the sella turcica. Miller keane encyclopedia and dictionary of medicine nursing and. Pterygoid processes of the sphenoides directed downwards from the junction of. Turcica turkish is a bony saddle shaped structure on the superior surface of the body of the sphenoid figure 1.

Empty sella see empty sella syndrome. The purplish pituitary gland unlabeled rests on the floor of the sella between the paired cavernous segments of the internal carotid arteries ic. The sphenoid bone is the large bat shaped bone that spans the floor of the skull. The sella turcica is a spherical depression in the superior surface of the sphenoid bone.

The sphenoid bone. The sellar floor is continuous anteriorly with the tuberculum sellae and posteriorly with the dor sum sellae.