EVERYDAY SCIENCE

Detailed explanation-1: -The word foramen comes from the Latin word meaning “hole.” Essentially, all of the foramen (singular), or the foramina (plural of foramen), in the skull are holes. They are passageways through the bones of the skull that allow different structures of the nervous and circulatory system to enter and exit the skull.

Detailed explanation-2: -Foramen-A hole through which nerves and blood vessels pass. Examples include supraorbital foramen, infraorbital foramen, and mental foramen on the cranium. Fossa-A shallow depression in the bone surface.

Detailed explanation-3: -The base of the skull has multiple important foramina that allow the passing of vital tissues, primarily blood vessels and nerves. The two jugular foramina exist at the base of the skull lateral to the foramen magnum.

Detailed explanation-4: -The word “foramen” is the singular form, while “foramina” is the plural form.

Detailed explanation-5: -The foramina of the skull are narrow openings that allow the passage of nerves and blood vessels.