PMID: 3753226Jul 1, 1986Paper

Hemomicrocirculatory bed of the muscles of the shoulder and forearm

Arkhiv anatomii, gistologii i émbriologii
A I Beliavskiĭ, L A Antonenko

Abstract

By means of classical anatomical techniques: injection of contrast masses into the vascular network, macro-microscopic preparation, translucency, roentgenography, and some histological techniques, peculiarities of the hemomicrocirculatory bed in muscles of the human arm and forearm have been revealed. Small arteries of the 3d-4th order run along the muscle fiber fasciculi. In the center of the 2d order muscle fasciculus, in its internal perimysium, arteriole and venule (or 2 venules) run; from them into the 1st order fasciculus, precapillary arterioles and postcapillary venules, connected by means of capillaries, run. The arteriole and the venule, accompanying it, together with the precapillary arterioles and postcapillary venules, branching off them, form a unit of the microcirculatory bed of the arm and forearm muscles (module). Well developed intramuscular arterial anastomoses, presence of isolated structural-functional units of the hemomicrocirculatory bed ensure functional prosperity of the human muscles.

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