sphenoid


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Related to sphenoid: Sphenoid sinus

sphenoid

 [sfe´noid]
1. wedge-shaped.
2. pertaining to the sphenoid bone; see anatomic Table of Bones in the Appendices.

sphe·noi·dal

(sfē-noy'dăl),
1. Relating to the sphenoid bone.
2. Wedge-shaped.
Synonym(s): sphenoid (1) [TA]

sphenoid

/sphe·noid/ (sfe´noid)
1. wedge-shaped.
2. sphenoid bone. sphenoi´dal

sphenoid

(sfē′noid′)
n.
The sphenoid bone.
adj.
1. Wedge-shaped.
2. Of or relating to the sphenoid bone.

sphe·noi′dal (-noid′l) adj.

sphenoid

[sfē′noid]
Etymology: Gk, sphen, wedge, eidos, form
wedge-shaped. See also sphenoid bone.

sphe·noi·dal

(sfē-noy'dăl)
1. Relating to the sphenoid bone.
2. Wedge-shaped.
Synonym(s): sphenoid (1) .

sphe·noid bone

(sfē'noyd bōn)
A bone of irregular shape occupying the base of the skull; it is described as consisting of a central portion, or body, and six processes: two greater wings, two lesser wings, and two pterygoid processes; it articulates with the occipital, frontal, ethmoid, and vomer, and with the paired temporal, parietal, zygomatic, palatine, and sphenoidal concha bones.
Synonym(s): sphenoid (2) .

sphenoid

Wedge-shaped, or cuneiform. From Greek sphenoidis , a wedge.

sphenoid (sfeˑ·noid),

n the hollow bone structure, located in the middle of the skull, which encases the sphenoid air sinuses.
Enlarge picture
Sphenoid.

sphe·noid bone

(sfē'noyd bōn)
A bone of irregular shape occupying the base of the skull.
Synonym(s): sphenoid (2) .

sphenoid

1. wedge-shaped.
2. an irregular wedge-shaped bone at the base of the skull. See also Table 10.

sphenoid bone fracture
fracture of the basisphenoid bone occurs when the horse rears over backwards. Causes rotation of head, facial paralysis, occasionally hemorrhage into guttural pouch.
References in periodicals archive ?
P; parietal bone, F; frontal bone, T; temporal bone, S; sphenoid bone, e; epipteric bone (as known as pterion ossicle, sutural or Wormian bone).
Lustig et al in their study of 21 cases of fibrous dysplasia of facial bones had found involvement of sphenoid in 43% patients.
12] In this case, the patient's meningioma was near the sphenoid wing, impinging upon the frontal lobe, so cognitive symptoms were the presenting features.
The mycetoma tends to involve a single sinus, most commonly the maxillary, with the sphenoid sinus affected less frequently.
The distribution and mode of origin of septa and walls of the sphenoid sinus.
Acute sphenoid sinusitis is an uncommon condition that is often misdiagnosed in the evaluation of refractory headache with visual changes.
pneumatization of the posterior ethmoid lateral or superior to the sphenoid was 8% in our study, which is less than the Chinese population (20-30%) and Caucasian population (5-17%).
Biopsy of the sphenoid sinus mass confirmed that it was metastatic papillary thyroid cancer, follicular variant.
For example, the ocular manifestations were more common in the frontal, ethmoid, and sphenoid sinuses and the nasal or cheek symptoms were more common in the maxillary sinus.
At birth, the sphenoid sinus is undeveloped, with the sphenoid bone containing erythropoietic marrow.
It was hypothesized that the pneumatization pattern of the PPS roof is individually variable, as determined by the variable pneumatization patterns of the sphenoid (6) and temporal (7,8) bones.