C4 (cervical vertebra)
C4 (cervical vertebra): The fourth cervical (neck) vertebra from the top.
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- C6 (cervical vertebra)
C6 (cervical vertebra): The sixth cervical (neck) vertebra from the top. The next-to-last of the seven cervical vertebrae.
- C5 (cervical vertebra)
C5 (cervical vertebra): The fifth cervical (neck) vertebra from the top.
- C7 (cervical vertebra)
C7 (cervical vertebra): C7 is the symbol for the 7th cervical (neck) vertebral bone (C7) which is sometimes called the prominent vertebra due to the length of its spinous process (the projection off the back of the vertebral body). The spinous process of the top thoracic vertebra (T1) just below C7 is sometimes even more […]
- CA
CA: 1. Short (and slang) for cancer and carcinoma. 2. Abbreviation for cardiac arrest; chronological age; coronary artery.
- CA 125
Cancer antigen 125, a protein normally made by certain cells in the body, including those of the ovaries, Fallopian tubes, uterus, cervix, and lining of the chest and abdominal cavities (the pleura and peritoneum). When CA 125 is found in higher than normal amounts (more than 35 kU/ml), it is considered a marker for cancer. […]