Subfornical organ
Organum subfornicale
Definition
The subfornical organ is a diencephalic region belonging to the circumventricular organs, characterized by a reduced blood‑brain barrier. It is located between the two columns of the fornix or at the level of the body of the fornix, depending on the species.
It plays an important role in regulating the body’s water content.
References
Barone R, Bortolami R. Anatomie comparée des mammifères domestiques, Tome 6, Neurologie I, Vigot, Paris, 2004.
Evans HE, de Lahunta A. Miller’s anatomy of the dog, 4th edition, Elsevier Saunders, St Louis, 2012.
