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The foramen of Monro.

1. The part of an organ where the vessels and nerves enter and the excretory ducts pass out, hilum, hilus. 2. The foramen of Monro.

Applied to the entrance or normal opening of an organ.

A gate-like structure, as the transverse fissure of the liver.

The part of the liver or other organ-hilus-where its vessels enter as by a gate. See Liver. Also, the Vulva.

A gate or an entrance