I have gotten rather immersed into the science of bones lately. I’ve been collecting skulls for artistic reasons for a long time but now I’ve taken the opportunity to use them for studying. I’m now aware that all bones have some form of nutrient canal or foramina in order to supply nutrients and transport blood cells which are produced in the marrow found in bones.
Long bones such as the humerus and tibia have nutrient canals typically located midway through the shaft of the bone. That said, how this work for smaller and thinner bones like the sections of the skull?
Not all parts of the skull are the same. The maxilla bears the infraorbital foramen. The frontal has the supraorbital foramen. The parietal does not have a foramen, not typically anyway. Some bones have large foramens for accepting the large vessels/nerves but what about the other ones which have no large foramen? How do they get their nutrients?
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Bones actually have a very good blood supply. It’s so good that an alternate route for giving some IV fluids is threw the bones when a vein can’t be found. The most commonly used bone is the sternum. Back in the day when I was an EMT we would drill a big needle into the shin bone and run the fluids in that way. As strange as it sounds your bones aren’t as solid as you think
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