Definition : Layer of gray matter in the hypothalamus that also forms part of the floor of the
third ventricle and merges anteriorly into the infundibulum (see pituitary gland,
posterior). [MeSH];
Layer of gray matter in the hypothalamus that also forms part of the floor of the
third ventricle and merges anteriorly into the infundibulum (see pituitary gland,
posterior). [MeSH]