Obesity
generalized excessive bodily fat.
Osteomyelitis
staphylococcal inflammation of the bone and bone marrow. Often affects teenagers.
Otalgia
pain in the ear.
Otitis, acute
acute or chronic inflammation of the middle ear.
Otitis, serous
accumulation of serous exudates in the middle era, typically resulting from incompletely resolved acute otitis or blockage.
Osteoarthritis
local mechanical degenerative change of the bone and cartilage. Does not affect general health.
Orthosympathetic and parasympathetic nervous system
the two nervous systeme that regulate vegetative function





