sella turcica


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Related to sella turcica: Perpendicular plate, Empty Sella Turcica

sella

 [sel´ah] (L.)
a saddle-shaped depression. adj., adj sel´lar.
empty sella see empty-sella syndrome.
sella tur´cica a depression on the upper surface of the sphenoid bone, lodging the pituitary gland.
Sella turcica in the superior aspect of the sphenoid bone. From Dorland's, 2000.

sel·la tur·'ci·ca

[TA]
a saddlelike bony prominence on the upper surface of the body of the sphenoid bone, constituting the middle part of the butterfly-shaped middle cranial fossa; it includes the tuberculum sellae anteriorly and the dorsum sellae posteriorly; with its covering of dura mater it constitutes the hypophysial fossa that accommodates the hypophysis or pituitary gland.

sella turcica

[sel′ə tur′sikə]
Etymology: L, sella, seat, turcica, Turkish
a transverse depression crossing the midline on the superior surface of the body of the sphenoid bone and containing the pituitary gland.

sel·la tur·ci·ca

(sel'ă tŭr'si-kă) [TA]
A saddlelike bony prominence on the upper surface of the body of the sphenoid bone, constituting the middle part of the butterfly-shaped middle cranial fossa; it includes the tuberculum sellae anteriorly and the dorsum sellae posteriorly; with its covering of dura mater it constitutes the hypophysial fossa that accommodates the hypophysis or pituitary gland.

sel·la tur·ci·ca

(sel'ă tŭr'si-kă) [TA]
Saddlelike bony prominence on the upper surface of the body of the sphenoid bone, constituting the middle part of the butterfly-shaped middle cranial fossa.

sella turcica (S) (sel´ə tur´sikə),

n the pituitary fossa. The center is used as a cephalometric landmark.
sella turica, floor of,
n the most inferior point on the internal contour of the sella turcica.

sella

pl. sellae [L.] a saddle-shaped depression.

empty sella
sella turcica
a depression on the upper surface of the sphenoid bone, lodging the pituitary gland.
References in periodicals archive ?
The hypophysis is enveloped by dura that lines the sella turcica.
Sagittal and coronal images with a small field of view in thin sections ([less than or equal to] 3 mm) are obtained through the sella turcica to include the parasellar structures, including the suprasellar cistern, cavernous sinuses, Meckel's cave and hypothalamus.
The sella turcica bridge corresponds to the partial or complete ossification of the interclinoid ligaments, as it has been reported by many authors (Tebo, 1968; Kapur et al.
Sella turcica metastasis from follicular carcinoma of thyroid.
Apparently, the depth of the sella turcica seemed to be much more than normal.
If prolactin is greater than 200 ng/mL, or remains elevated after switching agents, that is the only time to perform an MRI scan of the sella turcica to look for a pituitary adenoma or parasellar tumor, Dr.
It expanded into the sella turcica, eroded through the skull base into the left carotid space and extended down to the bifurcation of the left common carotid artery.
The sella turcica is in close proximity to delicate vascular and neurologic structures, including the optic chiasm and cavernous sinus, as well as the third, fourth, and sixth cranial nerves and the ophthalmic and maxillary division of the fifth cranial nerve (Fig.
When the concentration of serum prolactin is greater than 200 ng/mL or does not change after a switch to a prolactin-sparing antipsychotic, he suggested performing an MRI scan of the sella turcica area of the brain to look for a prolactin-secreting tumor, such as a pituitary adenoma or a tumor that obstructs dopamine production, such as a parasellar tumor.
Patients with unexplained elevations of serum prolactin or with a level above 200 ng/mL should undergo imaging of the sella turcica (SOR: C, expert opinion).
A spinner dolphin, Stenella longirostris, from the Gulf of Mexico has both an anterior and a posterior clinoid process bordering its sella turcica.