foramen

Meanings

1. 1
   noun

   An opening, an orifice, or a short passage, especially in a bone.

   The skull contains a number of foramina through which arteries, veins, nerves, and other structures enter and exit.

2. 2
   noun

   a natural opening or perforation through a bone or a membranous structure

Borrowed from Latin forāmen (“aperture or opening produced by boring”), from forō (“to pierce or bore”) + -men (nominal suffix).

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