Floor Of Sella Turcica

Sella sel ah l a saddle shaped depression. Variation in shape and or size of the sella turcica 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. 2 not surprisingly many patients.

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Sella turcica in the superior aspect of the sphenoid bone.

Floor of sella turcica.

Anatomically the sella turcica has been expressed as variable. Primary empty sella syndrome occurs when one of the layers arachnoid covering the outside of the brain bulges down into the sella and presses on the pituitary. With empty sella syndrome csf has leaked into the sella turcica putting pressure on the pituitary. The sellar floor is continuous anteriorly with the tuberculum sellae and posteriorly with the dor sum sellae.

Sella turcica resembles as saddle like depression which provide place for the pituitary gland. This causes the gland to shrink or flatten. 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. 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.

Miller keane encyclopedia and dictionary of medicine nursing and. Sella tur cica a depression on the upper surface of the sphenoid bone lodging the pituitary gland. Figure 1 2 saddle like depression which is sella turcica. 1 autopsy studies confirm the high disease prevalence reported to be 5 5 to 20 of the general population.

Empty sella see empty sella syndrome. It is divided into three fragments and consists of an anterior wall a floor and a posterior wall.

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