Knob
Knob (Medical Term)
Knob (pronounced: /nɒb/) is a term often used in the medical field to describe a rounded protuberance, especially one that can be felt through the skin.
Etymology
The term "knob" originates from the Middle English word "knobbe", which was used to describe a small, rounded lump.
Related Terms
- Bump: A raised area, often due to an injury or growth.
- Nodule: A small, abnormal but usually benign mass of tissue.
- Tumor: An abnormal growth of cells that may be benign or malignant.
- Cyst: A closed sac-like structure filled with fluid or semi-solid material.
- Lump: A compact mass of a substance, especially one without a definite or regular shape.
Usage in Medical Context
In a medical context, a knob can refer to a small lump or protuberance that can be felt under the skin. This could be due to a variety of causes, such as a cyst, tumor, or other abnormal growth. It can also refer to a part of the body that is naturally rounded and protruding, such as the knob of the ankle or the knob of the knee (also known as the patella).
See Also
- Bone Spur: A bony growth formed on normal bone.
- Osteophyte: A bony projection that forms along joint margins.
- Swelling: An enlargement of a body part, typically as a result of an injury or illness.
External links
- Medical encyclopedia article on Knob
- Wikipedia's article - Knob
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