page_title: Suprachiasmatic nucleus
hierarchical_section_title: Suprachiasmatic nucleus
context_page_description: The suprachiasmatic nucleus or nuclei is a tiny region of the brain in the hypothalamus, situated directly above the optic chiasm. It is responsible for controlling circadian rhythms. The neuronal and hormonal activities it generates regulate many different body functions in a 24-hour cycle. The mouse SCN contains approximately 20,000 neurons.
  The SCN interacts with many other regions of the brain. It contains several cell types and several different peptides and neurotransmitters.
context_section_description: The suprachiasmatic nucleus or nuclei (SCN) is a tiny region of the brain in the hypothalamus, situated directly above the optic chiasm. It is responsible for controlling circadian rhythms. The neuronal and hormonal activities it generates regulate many different body functions in a 24-hour cycle. The mouse SCN contains approximately 20,000 neurons.
  The SCN interacts with many other regions of the brain. It contains several cell types and several different peptides (including vasopressin and vasoactive intestinal peptide) and neurotransmitters.
caption: Suprachiasmatic nucleus is SC, at center left, labelled in blue.
    The optic chiasm is OC, just below, labelled in black.
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