valva trunci pulmonalis –>
pulmonary valve
(Science: anatomy, cardiology) The heart valve that divides the right ventricle and the pulmonary artery. The pulmonic valve opens when the right ventricle contracts allowing blood to flow into the pulmonary artery. The pulmonic valve on closure prohibits the backwash of unoxygenated blood into the right ventricle. The pulmonic valve has 3 valve cusps.
In this tutorial, the works of Carl Gustav Jung and Sigmund Freud are described. Both of them actively pursued the way h..
Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..
The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..
Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..