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 ?
The mycetoma tends to involve a single sinus, most commonly the maxillary, with the sphenoid sinus affected less frequently.
Three orbital tumor cases where the Sonopet was used Variable Case 1: Orbital Case 2: Greater apex meningioma sphenoid wing fibrous dysplasia Critical tissue spared by Sonopet Oculomotor nerve Lateral rectus Additional operative time None None Preoperative exophthalmos Present Present Postoperative exophthalmos None None Preoperative keratopathy Present Present Postoperative keratopathy None None Variable Case 3: Infiltrative mass Critical tissue spared by Sonopet None Additional operative time None Preoperative exophthalmos Enophthalmos present Postoperative exophthalmos None Preoperative keratopathy None Postoperative keratopathy None
Sphenoethmoidal/Onodi cells represent contiguous extension of the posterior ethmoid air cells laterally and superiorly to the sphenoid sinus, and are closely associated with the optic nerve.
The ethmoid biopsy, left posterior ethmoid air cell, and left sphenoid sinus mucosa specimens all include normal respiratory type epithelium with mildly inflamed and oedematous underlying stroma.
The main craniofacial bono dysplasia for patients affected by NF-1 involves the sphenoid wing, which makes the nearby bone structures asymmetric, including the orbital cave.
Ectopic pituitary tumors can arise along the path of embryonic development of the pituitary gland, usually in the sphenoid sinus.
These defects can now easily be accessed via endoscopic transnasal techniques, especially the cribriform plate, the roof of the ethmoid sinuses and the sphenoid sinus.
The constriction of the sphenoid which occurs in each strain affects the anterior portion of the mid-face and dentition in a similar way.
6,7) Several reports in the literature have described cases of neurosarcoidosis presenting as a mass in the cerebellopontine angle, (8) sphenoid wing, (9) brain stem, (10) fronto-temporal area, (11) cerebellum, (11) cavernous sinus, (12) and pituitary gland.
alveoli brachialis buccinator calcaneus canine Eustachian tube incisor jejunum maxillary sinus mental foramen metatarsals pericardium phalanges pituitary platysma sphenoid sternocleidomastoid trapezius trochlea vertebra
Junior 7 & 8 tongue throat stomach sternum radius thigh kidney eardrum enamel trachea bronchi muscle shoulder tissue plasma Advanced 9 & 10 scapula mandible stapes incus tarsus maxilla carpals bicuspid masseter hyoid carotid lacrimal jugular thyroid cerebrum parietal temporal occipital Super 11 & 12 vertebra pituitary alveoli eustachian tube sphenoid incisor canine platysma buccinator tropezius maxillary sinus sternocleidomastoid metatarsals trochlea mental foramen
Sphenoid sinuses behind the ethmoids in the upper region of the nose and behind the eyes