ochronosis /ochro·no·sis/ (o″kron-o´sis) deposition of dark pigment in the body tissues, usually secondary to alkaptonuria, characterized by urine that darkens on standing and dusky discoloration of the sclerae and ears.ochronot´ic
ochronosis
ochronosis
ochronosis [ok″ro-no´sis]
ochronosis (ōˈ·kr
·nōˑ·sis),
ochronosis
o·chro·no·sis (  kr -n s s)n. A condition observed in certain patients with alkaptonuria and marked by pigmentation of cartilage and sometimes of other tissues. o chro·notic (-n tk) adj. |
ochronosis
People with this rare hereditary condition tend to develop arthritis in adulthood.
Mentioned in: Pseudogout
ochronosis
[ō′krənō′sis]
Etymology: Gk, ochros, yellow, osis
an inherited error of protein metabolism characterized by an accumulation of homogentisic acid, resulting in degenerative arthritis and brown-black pigment deposited in connective tissue and cartilage. It is often caused by alkaptonuria or poisoning with phenol. Bluish macules may be noted on the sclera, fingers, ears, nose, genitalia, buccal mucosa, and axillae. Urine color may be dark. See also alkaptonuria.
ochronosis [ok″ro-no´sis]
a peculiar discoloration of body tissues caused by deposit of alkapton bodies as the result of a metabolic disorder.
ocular ochronosis brown or gray discoloration of the sclera, sometimes involving also the conjunctivae and eyelids.
ochronosis (ōˈ·kr
·nōˑ·sis),n condition marked by accumulation of black-brown pigment in cartilage, joint capsules, and other connective tissues as a result of alkaptonuria, which is a metabolic disorder resulting in accumulation of homogentisic acid. See also alkaptonuria.
ochronosis
a yellow, brown or chocolate discoloration of cartilage, tendon sheaths and ligaments but not bone. Caused by deposit of alkapton bodies as the result of a metabolic disorder. Affected parts must be condemned as not suitable for human consumption.
ocular ochronosis
brown or gray discoloration of the sclera, sometimes involving also the conjunctivae and eyelids.
ochronosis
Alkaptonuria, see there
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