suprachiasmatic
English
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editEtymology
editFrom supra- + chiasmatic.
Pronunciation
editAdjective
editsuprachiasmatic (not comparable)
- Situated above the optic chiasm; specifically, designating a nucleus or region in the paraventricular region of the hypothalamus. [from 20th c.]
- 2017, Matthew Walker, Why We Sleep, Penguin, published 2018, page 18:
- When I tell you that the suprachiasmatic nucleus is composed of 20,000 brain cells, or neurons, you might assume it is enormous, consuming a vast amount of your cranial space, but actually it is tiny.