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shock

(Encyclopedia) shock, any condition in which the circulatory system is unable to provide adequate circulation to the body tissues, also called circulatory failure or circulatory collapse. Shock…

Roerich, Nicholas Konstantin

(Encyclopedia) Roerich, Nicholas KonstantinRoerich, Nicholas Konstantinnēˈkōlous kənstəntyēnˈ rörˈĭkh [key], 1874–1947, Russian artist, scene designer, and archaeologist. He was connected with the…

Roberts, Elizabeth Madox

(Encyclopedia) Roberts, Elizabeth Madox, 1886–1941, American poet and novelist, b. Perryville, Ky., grad. Univ. of Chicago, 1921. She is best known for her novels and stories of the Kentucky mountain…

sinus

(Encyclopedia) CE5 Sinuses of the face sinus, cavity or hollow space in the body, usually filled with air or blood. In humans the paranasal sinuses, mucus-lined cavities in the bones of the face…