Melanorrhea is a medical term used to describe the abnormal secretion of black, tarry stools. The word is spelled as /mɛlənoʊˈriə/, with the first syllable pronounced as "meh-luh-noh" and the second syllable as "ree-uh." The "melano" prefix refers to a dark or black color, while "rrhea" means flow or discharge. This condition can be a sign of internal bleeding in the gastrointestinal tract and requires prompt medical attention to prevent complications. Proper spelling and pronunciation of medical terms are fundamental in healthcare settings.
Melanorrhea is a medical term that refers to an abnormal or excessive production of melanin, which is the pigment responsible for the coloration of the skin, hair, and eyes. This condition can manifest as an increased secretion of melanin, resulting in darker pigmentation in different areas of the body.
Melanorrhea can be either a symptom or a disorder in itself, depending on the underlying cause. It may be seen in certain skin conditions such as melasma, lentigo, or pigmentary disorders like hyperpigmentation. Hormonal changes, sun exposure, certain medications, or genetic factors can contribute to the development of melanorrhea.
The term "melanorrhea" can also be used to describe the excessive excretion of melanin through various body secretions like sweat, urine, or tears. This may result in discoloration or staining of these fluids, causing them to appear dark or brownish.
Treatment for melanorrhea depends on the underlying cause. It may involve the use of topical creams, laser therapy, or surgical procedures to reduce the production of melanin and restore a more balanced skin coloration. Consulting a dermatologist or healthcare professional is crucial to accurately diagnose and manage melanorrhea effectively.
The discharge of dark colored or black stools; melena.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The term "melanorrhea" is derived from the combination of two Greek words: "melas", meaning black, and "rhoia", meaning flow or discharge.