Word: vitro
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...rabbits, all dark grey, hopped nonchalantly about their pen in Harvard's Laboratory of General Physiology last week as many a biologist discussed their twisted pedigree. They were living evidence of what two experimenters had reported as "the first certain demonstration that mammalian eggs can be fertilized in vitro...
...thin slice of tissue on a glass slide. The cells are either dead in the beginning, else die during the handling. Or it is possible to grow the cells in "tissue cultures," as Dr. Alexis Carrel has for years grown embryonic chicken tissue at the Rockefeller Institute. This in vitro method, however, fails to give an exactly truthful picture of all cell growth...
...Cleveland, Assistant Professor of Protozoology, to continue an investigation of the relation of amoebae in vivo and in vitro to bacteria...
...blood was reported by Professor Charles Christian Lieb of Columbia (pharmacologist) from the researches of Dr. Hendrik Zwaardemaker, professor emeritus of physiology at the University of Utrecht, Holland. Professor Zwaardemaker took the hearts out of eels and frogs, pumped through them physiological salt solutions. The hearts beat in vitro half an hour or so, then ceased. Professor Zwaardemaker added small amounts of potassium salt to his solution. The hearts began to beat again. They continued so for 24 hours. Potassium is weakly radioactive. Other radioactive elements gave the same stimulating results-radium, thorium, uranium, polonium...
...Cleveland, Assistant Professor of Protozoology, to permit him to study the relation of protozoa in vivo and in vitro to bacteria, and the life cycles of amoebae...