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Depressions in bones
a tooth socket
a tunnel-like, extended foramen
a space between cranial bones of an infant
an opening through a bone, usually a passage for blood vessels and nerves
a depression area, usually broad and shallow.
a pit-like, depressed area; usually smaller than a fossa.
a long pit or furrow
a short canal
a cavity within a cranial bone
a long, wide groove.
where adjacent bones of the skull meet (articulate)