Key result
Filament-containing pericytes in the lungs and hearts of cattle and swine extend through the basement membrane to form contacts with endothelial cells of small blood vessels.
Electron microscopy identifies filament-containing cells (likely pericytes/cells of Rouget) forming contacts with endothelial cells in the small blood vessels of cattle and swine hearts and lungs.
Should not change practice; leaves open pericyte-endothelial roles in large-animal cardiopulmonary microvasculature.
In an electron microscopic study of lungs and hearts from cattle and swine, filament‐containing cells were observed to extend through the basement membrane and form contacts with endothelial cells of capillaries, arterioles, and venules. It is suggested that these may be cells of Rouget and that they may be of considerable functional significance.
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Glenwood P. Epling (1966) studied this question. Filament-containing pericytes in the lungs and hearts of cattle and swine extend through the basement membrane to form contacts with endothelial cells of small blood vessels.
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