anterior clinoid process


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anterior clinoid process

[TA]
the posteriorly directed projection that is the medial end of the sphenoidal ridge (lesser wing of sphenoid); it provides attachment for the free edge of the tentorium cerebelli.

an·te·ri·or cli·noid pro·cess

(an-tēr'ē-ŏr klin'oyd pros'es) [TA]
The posteriorly directed projection that is the medial end of the sphenoidal ridge (lesser wing of sphenoid); it provides attachment for the free edge of the tentorium cerebelli.
Synonym(s): processus clinoideus anterior [TA] .

an·te·ri·or cli·noid pro·cess

(an-tēr'ē-ŏr klin'oyd pros'es) [TA]
Posteriorly directed projection that is the medial end of the sphenoidal ridge (lesser wing of sphenoid); it provides attachment for the free edge of the tentorium cerebelli.
References in periodicals archive ?
The relationship between the sixth nerve, Gruber's ligament, the carotid artery and the anterior clinoid process, is necessary to understand the three dimensional structure of the canal.
The supraorbital keyhole approach effectively exposes the frontal lobe base, anterior clinoid process, canalis opticus, olfactory sulcus, olfactory tract, optic nerve, optic chiasm, oculomotor nerve, anterior communicating artery, anterior cerebral artery A1 segment, pituitary stalk, diaphragma sellae, dorsum sellae, posterior clinoid process, basilar artery apex, posterior cerebral artery P1 segment, superior cerebellar artery proximal, front upper pontine and interpeduncular cistern, anteromedial temporal lobe, internal carotid, middle cerebral artery (M1, M2 segment, and part of M3 segment), anterior choroidal artery, posterior communicating artery; and contralateral carotid artery medial surface, anterior cerebral artery A1 and A2 proximal, middle cerebral artery M1 and M2 proximal.
For example, the signal void caused by a pneumatized anterior clinoid process may mimic an internal carotid artery aneurysm due to juxtaposition with the supraclinoid internal carotid artery.
If these aneurysms have a superior or superomedial projection, the anterior clinoid process must be drilled intradurally under direct visualization, because sometimes a broad neck of the aneurysms can penetrate the clinoidal space.
The anterior clinoid process is a part of the roof to the cavernous sinus in its frontal portion.
Unlike the anterior clinoid process, the posterior clinoid process has received less attention in past research studies.
6:1, but the anterior clinoid process is extremely long.
The carotico-clinoid foramen is an inconstant structure, which is located in the anterior cranial fossa composed by the ossification of a fibrous ligament (1) that begins on the anterior clinoid process and binds to the middle clinoid process.
One explanation for isolated oculomotor nerve palsy in sphenoid sinus mucocele is that the sinus expands anteriorly at the level of the anterior clinoid process where the oculomotor nerve is closest to the sinus.
Anterior clinoid process was extirpated and distal ring was dissected before clipping the aneurysm.
Anterior clinoid process pneumatization was 4% --Rt and 2%--Lt and was bilateral in 2% cases.
At this point, the lumbar drain was opened prior to the removal of the anterior clinoid process.

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