Category: O
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Ossification fibrosa cystica
An osteitis resulting from overactivity of the parathyroid glands with resulting disturbances in calcium and phosphorus metabolism. It is characterized by decalcification and softening of bone, nephrolithiasis, elevation of blood calcium, and lowering of blood phosphorus. Cysts form and tumors may develop.
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Ossiculotomy
Surgical incision of one or more of the ossicles of the ear.
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Ossiculectomy
Excision of an ossicle, especially one of the ear. Surgical extraction of one of the tiny bones in the middle ear.
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Osseous system
The bony structures of the body; the skeleton.
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Ossein
The collagen of bone. It forms the framework of bone.
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Osphresiology
Science of odors and the sense of smell.
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Osmotoxicity
The adverse effects of highly concentrated fluids on body structures. These effects are often observed when radiological contrast media with a dense concentration of solute are injected into the body during imaging procedures. Patients may experience a sense of warmth, have low or high blood pressures, or suffer adverse effects caused by cell membrane dysfunction,…
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Osmotherapy
Intravenous administration of highly concentrated or hypertonic solutions to increase the serum osmolarity. This therapy is used to treat cerebral edema, among other conditions. The act of introducing a substance into the body through intravenous injection or oral intake to induce dehydration. The objective of this dehydration is to diminish the volume of accumulated fluid…
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Osmometer
A device for measuring osmotic pressure either directly or indirectly. It was formerly used to assess the extent of dehydration or blood loss.
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Osmolar
Concerning the osmotic concentration of a solution.