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Understanding Organ Regeneration Using Planarian Flatworms
2012-10-25 12:26:38

In a new study published in the October 16 issue of Developmental Cell, corresponding author Professor of Cell and Developmental Biology and Howard Hughes Medical Institute Investigator Phillip Newmark and colleagues report the identification of genes that control growth and regeneration of the intestine in the freshwater planarian Schmidtea mediterranea. How animals repair their internal organs after injury is not well understood. Planarian flatworms are useful models for studying this...


Word of the Day
sough
  • A murmuring sound; a rushing or whistling sound, like that of the wind; a deep sigh.
  • A gentle breeze; a waft; a breath.
  • Any rumor that engages general attention.
  • A cant or whining mode of speaking, especially in preaching or praying; the chant or recitative characteristic of the old Presbyterians in Scotland.
  • To make a rushing, whistling, or sighing sound; emit a hollow murmur; murmur or sigh like the wind.
  • To breathe in or as in sleep.
  • To utter in a whining or monotonous tone.
According to the OED, from the 16th century, this word is 'almost exclusively Scots and northern dialect until adopted in general literary use in the 19th.'
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