The term pericardium is derived from the Greek prefix peri- (“around”) and kardia (“heart”), implying a structure that envelops or encloses the heart. Morphologically, the pericardium is a fluid-filled sac-like structure that surrounds the heart.
Ghanta, R.K., et al. (2020) Immune-modulatory alginate protects mesenchymal stem cells for sustained delivery of reparative factors to ischemic myocardium. Biomaterials Science. doi.org/10.1039/D0BM00855A.
A team at the Centro Nacional de Investigaciones Cardiovasculares, working in partnership with researchers at Mount Sinai Hospital in New York, has discovered a new molecular mechanism mediated by nuclear receptors that determines the identity and expansion of macrophages--one of the cell types that act as immune sentinels in the body.