Right hypothalamic branch of posterior communicating artery (Ramus hypothalamicus arteriae communicantis posterioris)
Educational content only — not medical advice.
Anatomy
A delicate microvascular branch arising from the posterior communicating artery within the circle of Willis, coursing medially to irrigate anterior and ventromedial hypothalamic nuclei.
Clinical notes
At risk during surgical clipping or endovascular coiling of PCoA aneurysms; injury results in acute neuroendocrine dysregulation, diabetes insipidus, or central poikilothermia.
Related structures
Educational references
FAQ
What is the role of the Right hypothalamic branch of posterior communicating artery?
A delicate microvascular branch arising from the posterior communicating artery within the circle of Willis, coursing medially to irrigate anterior and ventromedial hypothalamic nuclei.
Why is the Right hypothalamic branch of posterior communicating artery clinically important?
At risk during surgical clipping or endovascular coiling of PCoA aneurysms; injury results in acute neuroendocrine dysregulation, diabetes insipidus, or central poikilothermia.
Source & license
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