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López Velarde, Ramón

(Encyclopedia) López Velarde, RamónLópez Velarde, Ramónrämōnˈ lōˈpās vālärˈᵺā [key], 1888–1921, Mexican poet. One of the major poets of Mexico, he deeply influenced the work of later poets, notably…

nosebleed

(Encyclopedia) nosebleed, nasal hemorrhage occurring as the result of local injury or disturbance. Most nosebleeds are not serious and occur when one of the small veins of the septum (the partition…

acetylcholine

(Encyclopedia) acetylcholineacetylcholineəsētˌəlkōˈlēn [key], a small organic molecule liberated at nerve endings as a neurotransmitter. It is particularly important in the stimulation of muscle…

Midland, cities, United States

(Encyclopedia) Midland. 1 City (1990 pop. 38,053), seat of Midland co., central Mich., in the Saginaw valley at the confluence of the Tittabawassee and Chippewa rivers; inc. 1887. Midland owes its…

Dublin, county, Republic of Ireland

(Encyclopedia) Dublin, county, 327 sq mi (847 sq km), E central Republic of Ireland, on the Irish Sea. The region is dominated by Dublin, which is…

Ginzburg, Natalia Levi

(Encyclopedia) Ginzburg, Natalia LeviGinzburg, Natalia Levinətälˈyə lēˈvē gĭnˈsbûrg [key], 1916–91, Italian novelist. Because she and her husband Leone Ginzburg were Jewish, they were confined to a…

brain stem

(Encyclopedia) brain stem, lower part of the brain, adjoining and structurally continuous with the spinal cord. The upper segment of the human brain stem, the pons, contains nerve fibers that connect…

Bulgakov, Mikhail Afanasyevich

(Encyclopedia) Bulgakov, Mikhail AfanasyevichBulgakov, Mikhail Afanasyevichmēkhəyēlˈ əfənäˈsyəvĭch b&oobreve;lgäˈkəf [key], 1891–1940, Russian novelist and playwright. He wrote satirical stories…

CAT scan

(Encyclopedia) CAT scanCAT scankăt [key] [computerized axial tomography], X-ray technique that allows relatively safe, painless, and rapid diagnosis in previously inaccessible areas of the body; also…

Bettelheim, Bruno

(Encyclopedia) Bettelheim, BrunoBettelheim, Brunobĕtˈəlhīmˌ [key], 1903–90, American developmental psychologist, b. Austria. He received his doctoral degree (1938) from the Univ. of Vienna. He was…