sutures
sutures, which help to secure and protect the brain within the skull. The cranial bones include the frontal, parietal, temporal, occipital, sphenoid, and ethmoid bones, all of which contribute to the structure and protection of the brain.
coronal sutures
The spelling zigzaggy is an adjective, but so is just zig-zag or zigzag. The word zigzag is also the adverb, and more rarely a noun.E.g. The zigzag lines / the lines were drawn zigzag across the page / The road continued in a zigzag to the top of the hill.
a zigzag line
These lines are called sutures. See http://en.wikipedia.org/wiki/Human_skull
line breaks
Graphically, a line or many lines going vertically or horizontally in a slanting position, connecting and dis-connecting, and mirroring each other making a 'zigzag' example: /\/\/\/\/\/\/\/\/
1.
Periosteum is the membrane that lines the outer surface of all bones, except at the joints of long bones.
having short ,sharp turns or angles in Trinidad
zigzag
zigzag