We often hear about body bones like warm, the fibulaé, the keyíbutt, etc, but the bones of the cráneo they are not so well known. You should know that in the head is counted on 29 bones, lwhich are joined by cranial sutures that function as a kind of joint.ón such that they have a slight y minúsculum movement. In total in el cráneo they have 8 bones and 14 más correspond to the face. While the cráneo is a bony box that covers the encéI talk, the face offers a large number of cavities in which the ósense organs.
Index
¿Cómo is composed the cráneo human?
the bones of the cráneo are composed of separate external and internal tables of compact bone by a layer of spongy bone called diploe. The inner table of compact bone is más thin and frágil than external table. The bones areán covered on outer and inner surfaces with periosteum.
¿Cuáthey are the bones of the cráneo?
As I already mentionedálet's go, the bones of the cráneo son 8 a number, including 1 frontal bone, 3 temporal bones, 2 parietal bones, 1 occipital bone, 1 ethmoid bone and 1 spheonid bone.
Frontal bone
It is an odd bone that is located in the anterior part of the cráneo, convex and smooth, covered by skin. In this area are 3 eminences: la glabela, which is located just above the raíz of the nose, the lateral frontal protrusions, that are located on both sides of the glabella and the superciliary arches, which in this case correspond to the eyebrows and which are located below the frontal protrusions.
Temporal bone
The temporal bone is a paired bone located between the occipital, the parietal and sphenoid. It is the bone that encloses the óorgans needed for hearingón. This temporal bone of the cráneo comprises three regions that are: To Pigsón scaly, the Petrosa or Penasco Portion and the Mastoid Portion.
Parietal bone
It is another of the bones of the cráneo that tooén is considered a paired bone and in this case it is located between the frontal and occipital bones, just above the temporal bone. It is a bone that has the shape of a quadrilleáwomb with two faces and four edges. The external face of this bone is convex, while the external face is cóit didn't work.
Occipital bone
It is a bone of the cráneo that is odd, medium and simétrico. It is located in the regionón inferior posterior del cráneo. It has two faces, the exocranial and intracranial. The first is convenient and it is the foramen magnum that gives way to the méspinal game.
Ethmoid bone
Spaghettién is an odd bone of the cráneo, which in this case is located between the frontal bone and the sphenoid bone. It is made up of three parts: A vertical sheet, a horizontal perforated sheet and two lateral masses.
Sphenoid bone
This is an odd bone that is located in the shape of a cuña, between the othersás bone of the cráneo, with all of whom articulates. It is a bone that is made up of four regions: A cubic shaped body, two minor wings, two greater wings and two apópterygoides physis.
