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Biomedical subjects

H Varlam

Publications and source records attributed to H Varlam.

3 recordsLinked to original sources

[The middle cerebral artery system in fetuses: the distribution of the pial branches].

The aim of our study is to point out the influence of the cerebral development on the evolution of the middle cerebral artery (MCA) system. Brains of 20 fresh fetuses (16-22 weeks) were injected with gelatin-ink China mixture, observed and dissected under surgical microscope in correlation with the evolution of the sylvian fossa. Ending pattern of MCA and territories of distribution of its branches were also discussed.

Female↗

[Intermesenteric anastomoses].

This work is based on dissection and the analysis of the arteriographies of two mesenteric arteries and it analyses the type of intermesenteric anastomoses and their importance in surgical practice. The morphological varieties of Riolan's arcade depends on its pillars, as well as on the eventual presence, especially in the middle part of the transversal mesocolon, of the secondary arcades; it seems that the colic wall necrosis depends less upon the location of the lesion or the level of the suture of the arcade, but more so on the stretch of the destruction of the mesocolon. The intermesenteric trunk, a second way of intermesenteric anastomoses is a embryological remaining, non-functional in normal conditions, but capable to partially or completely replace the Riolan's arcade when the later is sutured or interrupted.

Angiography↗

[The arterial system of the greater omentum].

The aim of our study is to establish a pattern of distribution of the arteries of greater omentum. Right omental arteries supply the anterior lamina and the left ones the posterior lamina (in 82% there is an initial independent left-right distribution). In 18% it is mixed, the two territories being supplied by both anterior and posterior omental arteries. The classic pattern with three main arterial arches (one infra-gastric and two inferior marginal) was identified in 24% cases. More frequent (45%) is the pattern with two transverse main arteries, one superior and the other inferior (with a variable number of intermediate arteries). In 51% cases the infra-colic arch is dominant; in 14% cases it is thinner. The absence of arterial arches may be partly substituted by a dense capillary network. The laminar arterial distribution of greater omentum was expressed into more patterns.

Adult↗