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Questions and Answers
Which pigment is the oxidized form of lipochrome?
Which pigment is the oxidized form of lipochrome?
- Lipopigments
- Lipofuscin (correct)
- Lipochrome
- Melanin
Which type of pigments are detected between the cells resulting from RBC destruction?
Which type of pigments are detected between the cells resulting from RBC destruction?
- Lipopigments
- Lipochrome
- Melanin
- Iron-porphyrin (correct)
Which type of pigment is detected in the cytoplasm of cells?
Which type of pigment is detected in the cytoplasm of cells?
- Carotene
- Lipofuscin
- Melanin (correct)
- Lipochrome
What is the etiologic classification of pigments related to endocrine disorders?
What is the etiologic classification of pigments related to endocrine disorders?
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Which nutritional deficiency can cause a condition known as carotenemia?
Which nutritional deficiency can cause a condition known as carotenemia?
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Study Notes
Pigments in Biology
- Lipochrome's oxidized form is referred to as carotenoid.
- Hemoglobin-derived pigments such as hemosiderin and biliverdin are detected in spaces between cells due to the destruction of red blood cells (RBCs) and the breakdown of hemoglobin.
- Cytoplasmic pigments typically identified in cells include lipofuscin, which results from the accumulation of oxidative damage.
Endocrine Disorders
- Etiologic classification of pigments related to endocrine disorders can involve melanin, as it is associated with changes in stimulation from the pituitary gland affecting skin pigmentation.
Nutritional Deficiencies
- A deficiency in carotenoids, typically arising from insufficient intake of fruits and vegetables rich in these compounds, leads to carotenemia, characterized by yellow-orange pigmentation of the skin.
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