Hematogenous pigment is a term used to describe pigments formed by the breakdown of hemoglobin in red blood cells. The spelling of this word is "he-ma-tog-e-nous pig-ment." The phonetic transcription of this word is /ˌhiːməˈtɒdʒɪnəs ˈpɪɡmənt/. The "h" in "hematogenous" is pronounced, and the stress is on the fourth syllable. The "g" in "hematogenous" is soft and pronounced like a "j." In "pigment," the stress is on the second syllable, and the "g" is pronounced like a "j."
Hematogenous pigment refers to any pigment that is derived from the blood or blood-related components within an organism. The term is derived from the combination of two words: "hemato," which relates to blood, and "genous," which refers to the origin or production of something. Hematogenous pigments are typically formed as a result of breakdown products of red blood cells or other blood components, and they can be found in various tissues or body fluids.
One common example of hematogenous pigments is bilirubin, a yellowish pigment derived from the breakdown of hemoglobin in red blood cells. Bilirubin is produced in the liver and contributes to the yellow coloration of urine and the yellowing of skin and eyes in conditions such as jaundice.
Another example is hemosiderin, a brownish pigment that is formed when excess iron is stored in cells, especially in tissues where red blood cells are frequently broken down, such as the liver, spleen, and bone marrow. Hemosiderin accumulation can occur in conditions like hemochromatosis or chronic iron overload.
Hematogenous pigments play crucial roles in diagnosing and monitoring various diseases and conditions, particularly those affecting the blood or liver. Detecting and quantifying the presence of hematogenous pigments in body fluids or tissues can serve as valuable indicators of underlying health issues or pathological processes.
A p. derived from the hemoglobin of the red blood-corpuscles.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The terms "hematogenous" and "pigment" each have their own etymology.
"Hematogenous" is derived from two Greek words: "haima" meaning "blood", and "genos" meaning "birth" or "origin". Thus, "hematogenous" can be broken down to mean "originating from the blood" or "blood-borne".
"Pigment" is derived from the Latin word "pigmentum", which means "coloring matter" or "paint". It is related to the verb "pingere", meaning "to paint" or "to color".
So, when combined, the term "hematogenous pigment" refers to a substance or material that originates from the blood and serves as a coloring matter or a pigment.