Floor Of Sella Turcica

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. Sella turcica resembles as saddle like depression which provide place for the pituitary gland.

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It is divided into three fragments and consists of an anterior wall a floor and a posterior wall.

Floor of sella turcica.

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. This causes the gland to shrink or flatten. Sella turcica in the superior aspect of the sphenoid bone. Miller keane encyclopedia and dictionary of medicine nursing and.

2 not surprisingly many patients. Sella tur cica a depression on the upper surface of the sphenoid bone lodging the pituitary gland. Empty sella see empty sella syndrome. 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.

1 autopsy studies confirm the high disease prevalence reported to be 5 5 to 20 of the general population. Sella sel ah l a saddle shaped depression. Figure 1 2 saddle like depression which is sella turcica. 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.

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