foramen

No foramen between third and fourth trochleae of tarso-metatarsus.

To this they are indebted for their name Foraminifera, from foramen, a hole.

The closure of the foramen is brought about by adhesion of the two septa.

The chalaza is at the insertion or base, the foramen or orifice is at the apex.

Micropyle, answering to the Foramen or orifice of the ovule.

The opening into the cerebral rudiment becomes the foramen of Munro.

The Y-shaped aperture thus formed, which leads from the cerebral hemispheres into the third ventricle, is the foramen of Munro.

The reduction in size of the foramen of Munro above mentioned is, to a large extent, caused by the growth of the corpora striata.

The foramen of Munro becomes very much narrowed and reduced to a mere slit.

Eirunde Loch would be better represented by its anatomical equivalent, foramen ovale.