Dr Jeremy Jones â et al. Freiberg disease, also known as Freiberg infraction, is osteochondrosis of metatarsal heads. It typically affects the 2 nd metatarsal head (the third and fourth may also be affected).It can be bilateral in up to 10% of cases.reiberg disease, also known as Freiberg infraction, is osteochondrosis of metatarsal heads.
the human liver has 4 lobes: the right lobe and left lobe, which may be seen in an anterior view plus the quadrate lobe and caudate lobe, which may be seen on the visceral surface. 4.
2) How many lobes do the lungs have? Why do you think that one side has fewer lobes than the other? There are 5 lobes in the lungs: 2 on the left, and 3 on the right. The left lung only has only 2 lobes because there has to be enough room in the chest for the heart, and the heart sits mostly behind the left lung.