Do you know your medical terminology colors? Take the challenge to find out.
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An abnormal dark brown or brown-black pigmentation that occurs in such structures as the skin, hair, or vascular membrane of the eye.
All four of the above listed medical terms can be broken down into their word roots and combining forms and describe color.
Terms Indicating Color
Melanosis can be broken down in this way:
melan/o means black; -osis means abnormal condition or disease
According to the Free Dictionary by Farlex, melanosis, also referred to as melanism, is an abnormal, dark brown or brown-black pigmentation of various tissues or organs that results from melanin or, in some cases, other substances that look like melanin.
For example, melanosis of the skin may take place in metastatic melanoma, in sunburned skin, during pregnancy, and due to having a chronic infection.
The plural form of melanosis is melanoses.
Melanosis of the skin may look like this:
Melanin, as we stated above, refers to dark pigment. There are many other terms that contain melan-, such as:
- Melanocyte: cells that make melanin
- Melanoma: tumor arising in melanocytes
- Melanothrichia: abnormally increased pigmentation of the hair
- Melancholia: severe depression characterized by tearful sadness and irrational fears
- Melanemia: abnormal condition in which the blood contains melanin
A, B, and C are incorrect.
Poliomyelitis (poh-lee-oh-my-eh-LYE-tis) is a viral infection of the gray matter of the spinal cord. Polio/o means gray; myel means spinal cord, and -itis means inflammation. (A)
Cyanosis (sigh-ah-NOH-sis) is a blue discoloration of the skin that is due to a lack of sufficient oxygen in the blood. Cyan means blue; -osis means an abnormal condition or disease. (B)
Erythrocyte (eh-RITH-roh-sight) is a mature red blood cell. Erythr/o means red; -cyte means cell. (C)
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