Lamina terminalis ́ blood vessel organ

Organum vasculosum laminae terminalis

Organum vasculosum lacks a blood-brain barrier and is counted among the circumventricular organs.

Organum vasculosum, together with the subfornical organ and nucleus preopticus medianus, participates in the control of salt-water balance, of our thirst and of vasopressin (ADH) secretion from the nucleus supraopticus + nucleus paraventricularis hypothalamicus