has part gene expression peptide hormone secretion oxytocin production https://github.com/geneontology/go-ontology/issues/21535 https://github.com/geneontology/go-ontology/issues/9542 Note that this term is intended for use when a gene product is seen to cause apparent increases in intracellular or extracellular oxytocin levels, without specific regard as to whether the increase is due to increased biosynthesis, increased secretion of preexisting oxytocin molecules, or increased conversion from precursor molecules. oxytocin biosynthesis bf oxytocin secretion biological_process 2012-03-26T01:43:46Z GO:0036162 The appearance of oxytocin, a cyclic nonapeptide hormone with amino acid sequence CYIQNCPLG, due to biosynthesis or secretion following a cellular stimulus, resulting in an increase in its intracellular or extracellular levels. Oxytocin is the principal uterine-contracting and milk-ejecting hormone of the posterior pituitary, and together with the neuropeptide vasopressin, is believed to influence social cognition and behavior. It also acts as a neurotransmitter in the brain.