Try methyl metharalate as your casting media. It is supposed to get 
to and through the capillary bed. I haven't used it myself although I 
have several references which have. Another option may be Batson's 
#17 corrosion cast kit (from polysciences)

Let me know how you go,
Mark Phillips

>To the histoneters.
>
>Has anybody performed steroelogical measurments of
>vascular branching patterns using pressure infused
>casting agents. Do the casting agents get to the level
>of the capillaries? Any help would be greatly
>appreciated.
>
>marcus davey
>
>
>=====
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>Children's Hospital of Philadelphia,
>34th Street and Civic Centre Boulevade,
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Dept. of Anatomy, and
Dept. of Surgery
School of Medical Sciences
University of Otago
DUNEDIN
NEW ZEALAND.

Ph. (03) 474-1049 (Home)
        (03) 474-0999   ext. 8849 (Surgery Dept.)
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