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Science 338 (6106): 475-476

Copyright © 2012 by the American Association for the Advancement of Science

The Mood of a Worm

Scott W. Emmons

Department of Genetics, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA.

Figure 1
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Sex and salt. (A) Neurons in the hypothalamus of the human brain secrete the hormones oxytocin to regulate sexual and reproductive behaviors, and vasopressin to control water balance. (B) Secretion of nematocin from neurons in the head and tail of the worm C. elegans regulates related behaviors—sexual behavior and salt chemotaxis. Names of neurons and muscles in the worm are indicated.



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