part of part of ventromedial nucleus of hypothalamus medial preoptic nucleus http://upload.wikimedia.org/wikipedia/commons/8/8c/HypothalamicNuclei.PNG DHBA:10470 MA:0000840 BIRNLEX:706 area praeoptica medialis Wikipedia:Sexually_dimorphic_nucleus SCTID:369128005 BAMS:MPO UMLS:C0175313 nucleus preopticus medialis MPO medial preoptic hypothalamic nucleus BTO:0006167 HBA:4544 area preopticus medialis nucleus praeopticus medialis DMBA:15604 EMAPA:35549 UMLS:C1289555 The medial preoptic nucleus is bounded laterally by the lateral preoptic nucleus, and medially by the preoptic periventricular nucleus. It releases gonadotropin-releasing hormone, controls copulation in males, and is larger in males than in females.[WP,unvetted]. MBA:515 FMA:67890 UBERON:0002035 neuronames:380 mammillary body median preoptic nucleus anterior nucleus of hypothalamus posterior nucleus of hypothalamus hypothalamic nucleus preoptic nucleus medial preoptic region