Communicating with Coworkers. As a medical assistant, you are part of a larger health-care team. The quality of communication that you have with your coworkers is vitally important and influences the development of positive or negative work environments, as well as a team approach to patient care.
venous sinus in Medicine Expand. venous sinus n. A cavity at the caudal end of the embryonic cardiac tube in which veins from the intra- and extraembryonic circulatory arcs unite. In adults it develops into the sinuses of the venae cavae.
Posterior Vena Cava - Large vein that carries blood from the posterior part of the body towards the heart. Sinus Venosus - Sac that receives blood from the vena cava. Heart - Pumping organ of the circulatory system (has 3 chambers). Right Atrium - Chamber of the frogs heart which receives blood from the sinus venosus.