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The Porsche Club of America (PCA) is a non-profit organization of Porsche enthusiasts in the United States and Canada. It is organized into 149 regions, [1] which are grouped into 14 zones. PCA has more than 167,000 members and is the largest single-brand club in the world. [2] To the current date, the Porsche Club of America has been around ...
The PCA has its roots in theological controversies over liberalism in Christianity and neo-orthodoxy that had been a point of contention in the Presbyterian Church in the United States which had split from the mainline Presbyterian Church in the U.S.A along regional lines at the beginning of the Civil War.
The following are central branches of the PCA, also known as perforating branches: Thalamoperforating and thalamogeniculate or postero-medial ganglionic branches: a group of small arteries which arise at the commencement of the posterior cerebral artery: these, with similar branches from the posterior communicating, pierce the posterior perforated substance, and supply the medial surfaces of ...
Principal component analysis (PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing.. The data is linearly transformed onto a new coordinate system such that the directions (principal components) capturing the largest variation in the data can be easily identified.
Associate Reformed Presbyterian Church - around 22,459 members (2018) [1] - Orthodox, Presbyterian, Calvinist, Covenanter & Seceder; Bible Presbyterian Church - around 3,500 members - Orthodox, Presbyterian, Calvinist
U.S. Census Bureau regions and divisions. Since 1950, the United States Census Bureau defines four statistical regions, with nine divisions. [1] [2] The Census Bureau region definition is "widely used... for data collection and analysis", [3] and is the most commonly used classification system.
Posterior cerebral artery syndrome is a condition whereby the blood supply from the posterior cerebral artery (PCA) is restricted, leading to a reduction of the function of the portions of the brain supplied by that vessel: the occipital lobe, the inferomedial temporal lobe, a large portion of the thalamus, and the upper brainstem and midbrain.
Both the ACA and MCA originate from the cerebral portion of internal carotid artery, while PCA branches from the intersection of the posterior communicating artery and the anterior portion of the basilar artery. The three pairs of arteries are linked via the anterior communicating artery and the posterior communicating arteries. All three ...