Double Blood Supply of Broca ’ s Area of Human Brain

Objective: To elucidate the double supply of blood to the primary motor speech area (Broca’s area) and provide the Morphometric data of collateral circulation to this area. Subject and methods: A total number of 100 cerebral hemispheres were obtained from cadavers and put in 10 percent formalin for one week so as to fix them. A mixture of gelatin and Indian ink of various colours was injected in ACA, MCA and PCA separately. Measurement of length and diameter of each vessels was made by digital vernier caliper. Results: The middle cerebral artery was the major artery supplying this area while the collosomarginal artery appear as collateral artery in significant cases and this double supply to this area could be the cause of better outcome of cerebral infarcts of this area. Conclusion: It could explain the better survival rates in cerebral ischemia of this area.

[1]  K. Moritake,et al.  Epilepsy and variation in the frontal lobe artery , 2005, Epilepsy Research.

[2]  J. Marshall,et al.  Functional anatomy of the human brain , 2004 .

[3]  J. Capellades Font,et al.  [Anatomical variations of the middle cerebral artery: duplication and accessory artery. Implications in the treatment of acute stroke]. , 2004, Revista de neurologia.

[4]  F. Dilberović,et al.  [Variation in the flow and branching of the anterior and middle cerebral arteries]. , 2003, Medicinski arhiv.

[5]  B. Ogungbo.  Size, course, distribution and anomalies of the middle cerebral artery in adult Nigerians. , 2003, East African medical journal.

[6]  R. Garg,et al.  Pathological laughter as heralding manifestation of left middle cerebral artery territory infarct: case report and review of literature. , 2000, Neurology India.

[7]  H. Nakajima,et al.  Middle cerebral artery variations: duplicated and accessory arteries. , 1998, AJNR. American journal of neuroradiology.

[8]  T. Yasui,et al.  The accessory middle cerebral artery as a collateral blood supply. , 1997, AJNR. American journal of neuroradiology.

[9]  A. Weiglein,et al.  [Trifurcations of the middle cerebral arteries]. , 1990, Acta anatomica.

[10]  D. Montemurro,et al.  The blood supply of the brain , 1982 .

[11]  R. Martín Roldán,et al.  [Vascular supply of the brain of the fighting bull]. , 1980, Anatomia, histologia, embryologia.

[12]  A. Rubens.  Aphasia With Infarction in the Territory of the Anterior Cerebral Artery , 1975, Cortex.