from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Abnormally dark pigmentation of the skin or other tissues, resulting from a disorder of pigment metabolism. Also called melanism.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The morbid deposition of black matter, often of a malignant character, causing pigmented tumours.
from the GNU version of the Collaborative International Dictionary of English
- The morbid deposition of black matter, often of a malignant character, causing pigmented tumors.
from The Century Dictionary and Cyclopedia
- n. In pathology: An abnormal deposition of pigmentary matter in various organs or parts of the body, as the spleen, liver, or bone-marrow, associated with melanæmia, malarial poisoning, etc.
- n. The condition of the system associated with the presence of pigmented tumors.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a condition characterized by abnormal deposits of melanin (especially in the skin)
It is possible the cat has iris melanosis, which is different from iris melanoma.
Besides, it is possible for cats to function just fine with iris melanosis.
We are in trouble just now, on account of a neglected hereditary _melanosis_, as Monsieur Trousseau might call it.
He is stated to have died of "melanosis of the lungs," a disease in which the whole substance of the lungs turns completely black.
I am inclined to think that the true melanosis generally occurs in the form of rounded tumours, which, when cut in two, present a uniform black colour without any trace of air-cells, while in the spurious melanosis the deposition is general, and black matter flows freely out when the cut surfaces are pressed.
My object in here reporting a case of stratiform melanosis, in connection with a disease having an external origin, is to afford an illustration of the fact, that all black deposits found in the system are not carbon.
It seemed to be physiologically analogous to melanosis.
Black pigment tumors, or melanosis, description and treatment, 476
The history of rachitis, of melanosis, and of osteoporosis, as related to an abnormal frangibility of the bones, is a part of our common medical knowledge.
Gray mares, which are so subject to black pigment tumors (melanosis) on the tail, anus, and vulva, are the most liable to suffer from this.