The foramen and meatus are not bones. They are bone markings -- each is an opening in a bone.
An opening, hole, perforation, or foramen. A pore, meatus, or foramen. example a sweat pore
A canal is most similar to a meatus, as both are tube-like structures that allow passage of fluids or other substances.
Fissure does not belong. The other three words are all bone markings.
Ramus.
It is located on temporal side of the skull and it is where sounds enters the human ear leading to the tympanic membrane. It is sometimes referred to as the extermal auditory canal.
A foraman which is what allows nerves and blood vessels to enter bones.
The plural of meatus is meatuses or meatus - both forms are accepted.
The bottom of the brain sits on the Occipital bone.
foramen
Foramen magnum
The jugular foramen is located at the base of the skull, between the occipital and temporal bones, posterior to the carotid canal. The carotid canal is situated in the petrous part of the temporal bone, just above the jugular foramen.
A nutrient foramen is an opening in a bone through which blood vessels and nerves enter and exit to supply the surrounding tissues with nutrients and sensation. These openings are crucial for maintaining the health and function of bones by allowing for appropriate blood supply and nerve communication.