Corniculum is a ghoul detention center run by the Commission of Counter Ghoul, sitting in the 12th ward. It holds suspects caught up in ghoul-related cases, serving as one of the bureau's holding sites alongside the better-known Cochlea.
Corniculum operates as a detention facility belonging to the Commission of Counter Ghoul, placed within the 12th ward. Its purpose is to confine individuals suspected in cases connected to ghouls.
The center works as a bureau holding site for ghoul suspects awaiting processing, in the same vein as the CCG's other prisons. Its recorded use in the story is brief, and the detainees tied to it did not end up remaining within its walls.

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Corniculum is a ghoul detention facility operated by the Commission of Counter Ghoul, located in Tokyo's 12th ward, used to confine individuals suspected in ghoul-related cases.
Corniculum is situated in the 12th ward, functioning as one of the CCG's detention sites alongside the better-known Cochlea in the 23rd ward.
Mirumo Tsukiyama was bound for Corniculum but slipped away before ever arriving there.
Yes, Eto Yoshimura passed through Corniculum before being moved on to Cochlea.
Corniculum functions as a bureau holding site for ghoul suspects awaiting processing, much like the CCG's other prisons, though its recorded use in the story is brief.
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