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Measurements of mass, length and valve diameters from normal formalin-fixed ovine hearts
Newsholme, S.J.; Van Ark, H.; Howerth, Elizabeth W.; Bigalke, R.D.
Hearts from 60 Merino sheep of known age, sex and live mass and with no known history of disease were
collected and fixed in buffered 10% formalin. Systematic light microscopical examination did not indicate any
abnormality in hearts of any of the sheep. The mass of various parts of the hearts, the length of the hearts and the
diameters of the heart valves were measured to establish a basis for quantitative assessment of possible pathological
changes associated with the ingestion of cardiotoxic plants.
The mass measurements and, to a lesser degree, the lengths of the hearts varied considerably, but the ratio
of the mass of the left ventricle plus ventricular septum divided by the right venticular free wall mass was
remarkably stable, and is promising as an indicator of right ventricular hypertrophy.
Description:
The articles have been scanned in colour with a HP Scanjet 5590; 600dpi.
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