During embryonic development, the right ventricle is formed from the secondary heart field into a crescent-shaped, thin-walled structure. 6 It is the most anterior heart chamber, sitting just beneath ...
Transitional circulation is normally transient after birth but can vary markedly between infants. It is actually in a state of transition between fetal (in utero) and neonatal (postnatal) circulation.
The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...