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The Basic subset of the UBERON integrated, cross-species anatomy ontology is downloaded weekly from For more information about this ontology see the "About" page on the UBERON website at

Term:hypothalamo-hypophyseal system
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Accession:UBERON:0009976 term browser browse the term
Definition:An intrinsic circulatory network that transports hormones from the median eminence of the hypothalamus to the adenohypophysis.
Comment:[function-note] "One of the most important functions of the hypothalamus is to link the nervous system to the endocrine system via the pituitary gland (hypophysis). The hypothalamus is responsible for certain metabolic processes and other activities of the autonomic nervous system. It synthesizes and secretes certain neurohormones, often called hypothalamic-releasing hormones, and these in turn stimulate or inhibit the secretion of pituitary hormones. The hypothalamus controls body temperature, hunger, thirst, fatigue, sleep, and circadian cycles"; [taxon-note] "in lampreys and teleost hormones enter the adenohypophysis by diffusion." xsd:string {source="WP"}
Synonyms:exact_synonym: hypophyseal portal system;   hypothalamic hypophyseal portal system;   hypothalamohypophyseal portal system
 related_synonym: portal veins of hypophysis;   set of portal veins of hypophysis;   venae portales hypophysiales
 xref: FMA:70860;   MESH:D007030;   NCI:C32759;   UMLS:C1512570;   Wikipedia:Hypophyseal_portal_system
 external_ontology: never_in_taxon NCBITaxon:32443

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Term paths to the root
Path 1
Term Annotations click to browse term
  UBERON ontology 0
    anatomical entity 0
      material anatomical entity 0
        disconnected anatomical group 0
          non-connected functional system 0
            glandular system 0
              endocrine system 0
                hypothalamo-hypophyseal system 0
Path 2
Term Annotations click to browse term
  UBERON ontology 0
    anatomical entity 0
      material anatomical entity 0
        anatomical structure 0
          multicellular anatomical structure 0
            multicellular organism 0
              anatomical system 0
                circulatory system 0
                  cardiovascular system 0
                    vascular system 0
                      vasculature 0
                        portal system 0
                          hypothalamo-hypophyseal system 0
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