id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-586 Oxytocin - Wikipedia .html text/html 11533 1984 60 It is normally produced in the hypothalamus and released by the posterior pituitary.[3] It plays a role in social bonding, reproduction, childbirth, and the period after childbirth.[4] Oxytocin is released into the bloodstream as a hormone in response to love and in labor.[5][6] This helps with birth, bonding with the baby, and milk production.[6][7] Outside the brain, oxytocin-containing cells have been identified in several diverse tissues, including in females in the corpus luteum[36][37] and the placenta;[38] in males in the testicles' interstitial cells of Leydig;[39] and in both sexes in the retina,[40] the adrenal medulla,[41] the thymus[42] and the pancreas.[43] The finding of significant amounts of this classically "neurohypophysial" hormone outside the central nervous system raises many questions regarding its possible importance in these diverse tissues. Vasopressin appears to have a similar effect in males.[69] Oxytocin has a role in social behaviors in many species, so it likely also does in humans. ./cache/en-wikipedia-org-586.html ./txt/en-wikipedia-org-586.txt