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mks system

(Encyclopedia)mks system, system of units of measurement based on the metric system and having the meter of length, the kilogram of mass, and the second of time as its fundamental units. Other mks units include the...

lymphatic system

(Encyclopedia)CE5 Lymphatic system lymphatic system lĭmfătˈĭk [key], network of vessels carrying lymph, or tissue-cleansing fluid, from the tissues into the veins of the circulatory system. The lymphatic sy...

manorial system

(Encyclopedia)manorial system sēnyôrˈēəl [key], economic and social system of medieval Europe under which peasants' land tenure and production were regulated, and local justice and taxation were administered. ...

Mariinsk System

(Encyclopedia)Mariinsk System: see Volga-Baltic Waterway. ...

heliocentric system

(Encyclopedia)heliocentric system: see Copernican system. ...

geocentric system

(Encyclopedia)geocentric system: see Ptolemaic system. ...

gastrointestinal system

(Encyclopedia)gastrointestinal system: see digestive system. ...

integumentary system

(Encyclopedia)integumentary system: see skin.

digestive system

(Encyclopedia)CE5 Digestive system digestive system, in the animal kingdom, a group of organs functioning in digestion and assimilation of food and elimination of wastes. Virtually all animals have a digestive ...

duodecimal system

(Encyclopedia)duodecimal system: see numeration. ...