preoptic region

pre·op·tic re·gion

the most anterior part of the hypothalamus surrounding the anterior or preoptic part of the third ventricle and including the lamina terminalis; containing the lateral and medial preoptic nucleus continuous caudally with, respectively, the lateral and anterior hypothalamic nucleus; rostrally the preoptic region is continuous with the precommissural septum, laterally with the innominate substance.
Synonym(s): area preoptica [TA], preoptic area [TA]
References in periodicals archive ?
The higher level within this system (subsystem II) is represented by the periaqueductal gray (PAG), ACC, and limbic input structures, such as the hypothalamus, midline thalamus, amygdala, red nucleus, preoptic region, and septum.
Intention and attention take place in subsystem II (represented by the periaqueductal gray [PAG], the anterior cingulate cortex [ACC], and limbic input structures, such as the hypothalamus, midline thalamus, amygdala, red nucleus, preoptic region, and septum).
The elucidation of this plasticity through such mechanisms as AVT influence on the preoptic region of the hypothalamus is important to understanding life history of many species.
Nauta's (12) experiments in 1946 that showed insomnia after lesions of the preoptic region also supported the hypothesis of active hypnogenic neurons in the forebrain preoptic area.
Endogenous antipyretics attenuate fever by influencing the thermoregulatoty neurons in the preoptic region and anterior hypothalamus and in adjacent septal areas.