Per capita is a Latin prepositional phrase: per (preposition, taking the accusative case, meaning âby, by means ofâ) and capita (accusative plural of the noun caput, âheadâ).The phrase thus means âby headsâ or âfor each headâ, i.e., per individual/person.The term is used in a wide variety of social sciences and statistical research contexts, including government statistics, economic indicators, and built environment studies.he phrase thus means âby headsâ or âfor each headâ, i.e., per individual/person. The term is used in a wide variety of social sciences and statistical research contexts, including government statistics, economic indicators, and built environment studies.
Medical Definition of trichromatism. 1  1: the quality or state of being trichromatic. 2  2: color vision based on the perception of three primary colors and especially red, green and blueâcompare deuteranomaly, protanomaly.
Pseudocyst. Pseudocysts are usually complications of acute or chronic pancreatitis or pancreatic trauma. A pancreatic pseudocyst is a collection of fluid usually in the vicinity of the pancreas, which develops in association with a leak of pancreatic juices from the inflamed parenchyma or from a disrupted duct.