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Ménière's disease

(Encyclopedia)Ménière's disease mən-yĕrzˈ [key], disorder of the inner ear characterized by recurrent vertigo combined with hearing loss and tinnitus (a ringing sensation). It was first described by the French...

motion sickness

(Encyclopedia)motion sickness, waves of nausea and vomiting experienced by some people, resulting from the sudden changes in movement of a vehicle. The ailment is also known as seasickness, car sickness, train sick...

Tatum, Art

(Encyclopedia)Tatum, Art tāˈtəm [key], 1910–56, American jazz pianist, b. Toledo, Ohio. Born with cataracts in both eyes, Tatum remained virtually blind for life. He read music in Braille, but his sensitive ea...

Eustachi, Bartolomeo

(Encyclopedia)Eustachi, Bartolomeo bärˌtōlōmĕˈō āˌo͞ostäˈkē [key], d. 1574, Italian anatomist. He lived in Rome from 1549 and taught at the Collegia della Sapienza (later the Univ. of Rome). He describ...

secretary bird

(Encyclopedia)secretary bird, common name for a long-legged African bird, Sagittarius serpentarius, related to the hawk and about 4 ft (122 cm) tall. Its crest of black feathers suggested the quill pens behind the ...

Iturrigaray, José de

(Encyclopedia)Iturrigaray, José de hōsāˈ ᵺā ēto͞oˈrēgäräˈē [key], 1742–1815, Spanish colonial administrator, viceroy of New Spain (1803–8). During his rule, all of Spanish America was disturbed b...

Bekesy, Georg von

(Encyclopedia)Bekesy, Georg von gāˈôrk fən bĕkˈĭshē [key], 1899–1972, American biophysicist, b. Budapest, Hungary, grad. Univ. of Budapest (Ph.D. 1923). He was (1923–46) a physicist in the research labo...

bionics

(Encyclopedia)bionics, the study of living systems with the intention of applying their principles to the design of engineering systems. Drawing on interdisciplinary research in the mechanical and life sciences, bi...

Vernon, Edward

(Encyclopedia)Vernon, Edward, 1684–1757, British admiral. He entered the navy in 1700 and rose steadily in rank. A member of Parliament from 1722, he opposed the government of Sir Robert Walpole and urged war wit...

abscess

(Encyclopedia)abscess, localized inflammation associated with tissue necrosis. Abscesses are characterized by inflamation, which is due to the accumulation of pus in the local tissues, and often painful...

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