foramen magnum, spinosum, lacerum, ovale and jugular.

If you look at the Aljmjna from the bottom you will see the holes that I've seen from the upper side.If you're a medical student and you have a test in the subject of anatomy to the reality that recognize the holes from the top and bottom without having to insert a stick inside to see any slot are those abroad. What you need to succeed in the exam is: confidence and knowledge. So save slots so recognizable, if its flag from the inside as well as if the flag from the outside.Know the following openings (important):foramen magnum, spinosum, lacerum, ovale and jugular.If I got to know these five slots will be easier for you to recognize the rest of the areas of bone.Near the hole no spinal bone fork brushes spine of sphenoid. And to the outside and back of this fork is the mastoid process, which can feel about yourself if bone Telmust fact behind the ear. And between the two there stylomastoid foramen a hole that passes including facial nerve (nerve Aljmb seventh fascial nerve).The jugular foramen if you look at it from the bottom you'll see it deep because here is the place to expand into the vein and named jugular bulb. Front no carotid canal any artery is located in front of the vein at the base of the skull.Channel carotid canal going in inside the skull in the temporal bone diagonally: forward and inward. Therefore it from the inside is not in the same place abroad. And you can see that if you look at the rays of blood vessels in the brain you will see how you are going channel angiography: any artery in the neck climb to the top enters into the slot of the carotid canal channel and here are going to home and forward slot is up to its name foramen lacerum. Then reflect its flight going forward pace and supreme intracranial intervention in the internal slot for l cerum and then moving forward again to go on the side of the Turkish saddle SELLA TURCICA. Here will walk artery inside a large vein which is the cavernous sinus. After moving to the top and behind (in front of the anterior clenoid process) and then divided into three branches.