(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…
(Encyclopedia) Dummer, Jeremiah, 1645–1718, early American silversmith and engraver, b. Newbury, Mass. He was apprenticed (1659) to John Hull and set up as a silversmith in Boston c.1666. He held…
(Encyclopedia) mutton, flesh of mature sheep prepared as food (as opposed to the flesh of young sheep, which is known as lamb). Mutton is deep red with firm, white fat. In Middle Eastern countries it…
(Encyclopedia) myxedemamyxedemamĭksədēˈmə [key], condition associated with severe hypothyroidism and lack of thyroid hormone in the adult. In the child it is known as cretinism. Symptoms include a…
(Encyclopedia) OuarglaOuarglawärˈglä [key], town and oasis, E Algeria. It is the administrative center of a well-watered oasis at the junction of several Saharan desert caravan routes. Ouargla lies…
(Encyclopedia) National Institutes of Health (NIH), agency of the U.S. Public Health Service, with headquarters in Bethesda, Md. It was established initially in 1887 as a laboratory in the U.S.…
(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…
(Encyclopedia) Roerich, Nicholas KonstantinRoerich, Nicholas Konstantinnēˈkōlous kənstəntyēnˈ rörˈĭkh [key], 1874–1947, Russian artist, scene designer, and archaeologist. He was connected with the…
(Encyclopedia) papaverinepapaverinepəpăvˈərēn [key], alkaloid found in opium that acts as a muscle relaxant and vasodilator. The drug relaxes the smooth muscle of the larger blood vessels and is used…
(Encyclopedia) MacKinnon, Roderick, 1956–, American biochemist, b. Burlington, Mass., M.D. Tufts Univ., 1982. MacKinnon was on the faculty at Harvard Medical School from 1989–96 and has been a…