(Encyclopedia) Windaus, AdolfWindaus, Adolfäˈdôlf vĭnˈdous [key], 1876–1959, German chemist. He was professor of chemistry and director of the chemistry laboratories at the Univ. of Göttingen (1915–…
(Encyclopedia) parathyroid hormone or parathormone, a hormone secreted by the parathyroid glands that regulates the metabolism of calcium and phosphate in the body. It has been purified extensively…
HOW DOES SOUND TRAVEL THROUGH THE EAR? WHAT HAPPENS IN THE COCHLEA? HOW DO EARS HELP US BALANCE?FIND OUT MOREThe ear is the organ of hearing and balance. The outer ear collects sound and directs it…
The JointsAnatomy and PhysiologyThe JointsTypes of JointsHinges, Pivots, and Saddles … Oh My!The Dancer's AlphabetDon't Wait. Rotate! Now that you've learned all 206 bones, it's time to get a…
(Encyclopedia) AsyutAsyutäsy&oomacr;tˈ [key], city (1986 pop. 272,986), E central Egypt, on the Nile. An industrial and trading center and also the seat of a university, it is famed for pottery,…
(Encyclopedia) tendon, tough cord composed of closely packed white fibers of connective tissue that serves to attach muscles to internal structures such as bones or other muscles. Sometimes when the…
(Encyclopedia) spavinspavinspăvˈĭn [key], disease of horses affecting the hock joint. There are two types—bog spavin, in which the hock joint is distended as a result of the collection of synovial…
Sprint from dangerBlending inClub tailWhip tailArmoured jacketThe dinosaur world was not over-run by gangs of vicious killers. Most dinosaurs were peaceful creatures that never attacked anything.…
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