Key result
The human ventricular myocardium contains sphincter-type capillaries innervated by nerve fibers, forming functional units that may play a prominent role in cardiac vascularization.
Population
Human ventricular myocardium
Design
Other
Authors
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May suggest neural regulation of myocardial microcirculation; leaves open functional role in ischemia or HF.
Observational
Identifies innervated muscle sphincters in human myocardial capillaries, suggesting a mechanism for dynamic regulation of cardiac microcirculation.
Provenza et al. (1959) conducted an observational in Normal anatomy (human heart). Anatomical observation of ventricular myocardium was evaluated on Presence and structure of muscle sphincters in capillaries. The human ventricular myocardium contains sphincter-type capillaries innervated by nerve fibers, forming functional units that may play a prominent role in cardiac vascularization.
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