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“Incidence of Meningo Orbital foramen In Dry Skull and Its Clinical Relevance.”

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Abstract (2. Language): 
Introduction: The meningo-orbital foramen is an opening which may present in the posterosuperior part of the lateral wall of orbit and lateral to superior orbital fissure in middle cranial fossa. The incidence of the meningo-orbital foramen is variable in different reports. Material & Methods: We studied 68(136 orbits) dry human skulls of adult age in which meningo-orbital foramen was observed in 49 orbits (36.02%). In 14 skulls (28 orbits) this foramen was bilateral and unilateral meningo-orbital foramen was found in 10 skulls in right orbit and in 11 skulls left orbit. Results: Multiple foramina were present in seven orbits. The incidence of the meningo-orbital foramen was higher then other reports. Conclusion: The clinical significance was also discussed as this foramen is a link between orbit and middle cranial fossa and connects external carotid artery and internal carotid artery.
FULL TEXT (PDF): 
514-517

REFERENCES

References: 

1. Kwiatkowski J, Wysocki J, Nitek S. The morphology and morphometry of the so-called "meningoorbital
foramen" in humans. Folia Morphol (Warsz). 2003 Nov; 62(4):323-5
2. O’Brien, A. and McDonald, S. W. The meningo-orbital foramen in a Scottish population. Clinical
Anatomy 2007. 20: 880–885.
3. C Georgiou and M D Cassell. The foramen meningo-orbital and its relationship to the development of
the ophthalmic artery J Anat. 1992 February; 180(Pt 1): 119–125.
4. Ashwin Krishnamurthy The morphology of meningo-orbital foramen in south Indian population
Bratisl lek listy2008 109(11)517-519
5. Mysorekar and Nandedkar . The groove in lateral wall of orbit in the human skull. J. Anat 1987:151;
255-257
6. Santo Neto H, Penteado CV, de Carvalho VC. Presence of a groove in lateral wall of orbit in the human
skull. J. Anat 1984:138; 631-633
it is thought to represent the path by which the anterior
division of middle meningeal artery anastomoses with
lacrimal branch of ophthalmic artery. The meningo orbital
foramen represent an embryonic conduit between the
supra orbital division of the stapeadial artery and the
permanent stem of ophthalmic artery. In adult this may be
represented by a connecting vessel between the orbital
branch of anterior division of middle meningeal artery and
the lacrimal branch of the ophthalmic artery.(Gergiou and
Cassell 1982) The abnormal origin of ophthalmic artery
from the middle meningeal artery is the most commonly
reported in the literature. In two of 170 specimens, the
ophthalmic artery did not arise from the internal carotid
artery but was a branch of the middle meningeal
artery (Hayreh S. S 2006). In the lower animals, the
ophthalmic artery is derived from the external carotid
artery, but as we go up the evolutionary ladder of the
animal kingdom, the ophthalmic artery tends to arise from
the internal carotid instead of the external carotid.
For example, although rhesus monkeys have a normal
ophthalmic artery, a large lacrimal artery connects both the
ophthalmic artery and the middle meningeal artery, so that
the middle meningeal artery contributes a significant blood
supply to the orbit, in addition to the ophthalmic artery
(Hayreh SS. 1964). The presence of the cranio-orbital
foramen and other accessory foramina represents a source of
hemorrhage that surgeons should be aware of when
operating along the lateral orbital wall. Practical importance
is emphasized when the middle mennigeal artery has
abnormal origin in the case of sub temporal epidural
heamatoma, tumors vascular malformations and in case
when the foramen spinosum is absent. (McLenn J E, et al
1974).It is described as alternative transorbital pathway
(Dimond M 1991).Finally we like conclude that the
meningo-orbital foramen is found more then 30% cases and
as it is important vascular link between orbit and cranium,
so clinical significance is evident.
Indian Journal of Basic & Applied Medical Research; March 2013: Issue-6, Vol.-2, P. 514-517
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8. Erturk, M., Kayalioglu, G., Govsa, F., Varol, T. and Ozgur, T. (), The cranio-orbital foramen, the
groove on the lateral wall of the human orbit, and the orbital branch of the middle meningeal artery. Clin.
Anat. 2005, 18: 10–14.
9. Hayreh S. S Orbital vascular anatomy. Eye 2006; 20, 1130–1144.
10. Dimond M. Homologies of the minengeal orbital arteries of humans a raeppraisal.Janat.1991; 178;
223-41
11. McLenn J E, Rosenbaun A E, Haugton UM; Internal carotid origin of middle meningeal artery. Neuro
cardiology 1974, 7; 265-75
12. Hayreh SS. The orbital vessels of rhesus monkeys, Exp Eye Res.1964; 3: 16–30.

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