Keeping chickens safe from predators has to be top on your list of priorities. There are several animals around the World that will prey on chickens and itâs your job to keep them safe and not letting them become part of the local wildlifeâs food chain!
The right coronary artery gives rise to acute marginal branches and terminates as the posterior descending artery in at least 80% of the population, supplying septal perforator arteries to the posterior intraventricular septum.
These connections form the anterior half (anterior circulation) of the circle of Willis. Posteriorly, the basilar artery, formed by the left and right vertebral arteries, branches into a left and right posterior cerebral artery (PCA), forming the posterior circulation. The PCAs complete the circle of Willis by joining the internal carotid system anteriorly via the posterior communicating (PCOM) arteries.