It may be identified with the anterior colature or cribriform plate.
Cribrose, or cribriform, pierced like a sieve with small apertures.
These changes are described as a cribriform or porous condition of the white nervous matter, said to be visible to the naked eye.
In most cases, however, it makes its way still further out, and the next covering it gains is from the cribriform fascia.
Spontaneous evacuation may take place by the abscess bursting into the nose through the cribriform plate.
The surface is cribriform, and a purulent secretion may be pressed out from follicular openings.
An assistant holds it closely parallel to the cribriform plate, where it acts as a protector.
It is needless to say that great care must be taken while working close to the cribriform plate.