Medically the evaluation by wilhelm Morrison, M.D. — created by Jill Seladi-Schulman, Ph.D. — to update on September 27, 2018

The periosteum is a membranous tissue that consist of the surface of her bones. The only locations it no cover are those surrounding by cartilage and also where tendons and also ligaments connect to bone.

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The periosteum is consisted of of two distinctive layers and is very important for both repairing and growing bones.

Inner layer

The inner great of the periosteum is likewise referred to together the cambrium. It has osteoblast cells.

Osteoblasts are bone-forming cells. They’re an extremely important during the fetal and also childhood phases the life once bone organization is still developing. As a result, the inner layer of the periosteum is thick and rich in osteoblasts in the fetus and also during at an early stage childhood.

The inner great of the periosteum becomes thinner v age. This thinning starts in childhood and continues v adulthood. In countless cases, the within layer becomes so thin the it’s difficult to identify from the outer layer the the periosteum.

If a fracture occurs in adult bone, osteoblasts can still be engendered to fix the injury. Yet the price of regeneration will it is in slower than it is in a child.

Outer layer

The external layer of the periosteum is greatly made that elastic fibrous material, such together collagen. It likewise contains blood vessels and also nerves.

The blood ship of the periosteum contribute to the blood it is provided of the body bones. They have the right to pass into the dense and compact layer of bone organization below, called the bone cortex.

Blood vessels enter the bone through channels called Volkmann canals that lie perpendicular to the bone. Indigenous there, the blood ship enter one more group of channels called Haversian canals, which run along the length of the bone.

The nerves the the periosteum it is registered pain as soon as the tissue is hurt or damaged. Few of the nerves of the periosteum travel alongside the blood vessels right into the bone, although countless remain in the outer layer of the periosteum.


Periostitis is an inflammation of your periosteum. It’s brought about by overuse or recurring stress to muscles and connective tissue.

It’s often associated with shin splints, a painful problem that has tendency to affect runners and dancers. Shin splints can likewise happen as soon as you start a brand-new exercise routine or boost the strongness of your usual workouts.

If you have periostitis, friend may an alert that you have actually pain or tenderness in the influenced area. Over there may also be some swelling.

Your doctor can commonly diagnose periostitis by a physics examination and also going with your medical history. In some cases, they may use imaging tests, such together an X-ray, to preeminence out other conditions, such as stress fractures.

Treating periostitis might involve:

Applying ice to the area. plunder an ice fill in a towel and apply it come the influenced area several times a day for 15 come 20 minutes.Taking over-the-counter pain medication. If pains or tenderness from her periostitis is bothering you, take it an over-the-counter ache reliever, such as ibuprofen (Motrin, Advil) or paracetamol (Tylenol).

You deserve to slowly begin resuming her normal tasks when the pain starts come decrease, normally within two to four weeks. Be sure to rise duration and intensity the your tasks gradually to stop reinjuring yourself.

Periosteal chondroma

Periosteal chondroma entails a noncancerous tumor in your periosteum. That a rare condition without any type of known causes. This tumors often tend to take place in people under age 30 and impact males more often than females.

Symptoms of periosteal chondroma can include:

a dull ache or tenderness in ~ or close to the site of the tumora mass you have the right to feela broken bone

The problem is typically diagnosed making use of imaging tests such together X-ray, CT scan, or MRI scan. If these don’t show much, her doctor might do a biopsy. This involves taking a tiny tissue sample and also looking at it under a microscope.

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Periosteal chondroma is typically treated by operation removing the tumor. As soon as removed, this tumors seldom come back. The size of the recovery period will depend both ~ above the location of the tumor and on its size. You’ll should limit the use of the affected area while recovering and also gradually go back to your regular activities.