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Improved Turnaround Times | Median time to first decision: 12 days

Research ArticleOTHER CONTENT

The Evolutionary and Embryologic Basis for the Development and Anatomy of the Cavum Veli Interpositi

Leon E. Kier
American Journal of Neuroradiology March 2000, 21 (3) 612-613;
Leon E. Kier
aYale University School of Medicine New Haven, CT
M.D
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    FIG. Diagram demonstrating the formation of the double-layered tela choroidea (velum interpositum) of the third ventricle in the human.

    1) The developing neural tube includes the forebrain (FB) which is surrounded by the pia matter (broken line).

    2) and 3) the expanding vesicle of the cerebral hemisphere (HV) carries its own pia mater (b) which overlaps the pia mater (a) of the third ventricle. IF signifies intraventricular foramen.

    4) A double layer of pia mater (b, a) is interposed between the two cerebral vesicles and the third ventricle (3V). E signifies ependyma.

    5) The two layers of pia mater (b, a) over the third ventricle persist after connection of the hemispheres by the commissures.

    Permission for use of the figure was granted by T.H. Newton and Mosby-Year Book.

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American Journal of Neuroradiology
Vol. 21, Issue 3
1 Mar 2000
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The Evolutionary and Embryologic Basis for the Development and Anatomy of the Cavum Veli Interpositi
Leon E. Kier
American Journal of Neuroradiology Mar 2000, 21 (3) 612-613;
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Leon E. Kier
The Evolutionary and Embryologic Basis for the Development and Anatomy of the Cavum Veli Interpositi
American Journal of Neuroradiology Mar 2000, 21 (3) 612-613;

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