foramen
Noun
Meaning
A small opening, perforation, or orifice; a fenestra.
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A depression in the surface of the right atrium remains where the foramen ovale once walls, called the fossa ovalis.
Next, he takes a distressingly small Caucasian skull, shakes hard, and pushes mightily at the foramen magnum with his thumb.
The leakage can cause a lack of CSF pressure and volume which can allow the brain to descend through the foramen magnum in the occipital bone where the lower portion of the brain may impact on cranial nerve complexes causing a variety of sensory symptoms.
The facial nerve then reaches the side of the face by using the stylomastoid foramen, also in the temporal bone.
Some examples of terms used to describe bones include the term "foramen" to describe a hole through which something passes, and a "canal" or "meatus" to describe a tunnel-like structure.
The foramen cecum marks the end of this division (at about 2.5 cm from the root of the tongue) and the beginning of the terminal sulcus.