False positive: A result that indicates that a given condition is present when it is not. An example of a false positive would be if a particular test designed to detect cancer returns a positive result but the person does not have ‘cancer.
- False negative
False negative: A result that appears negative when it should not. An example of a false negative would be if a particular test designed to detect cancer returns a negative result but the person actually does have cancer.
- False rib
False rib: One of the last five pairs of ribs. A rib is said to be false if it does not attach to the sternum (the breastbone). The upper three false ribs connect to the costal cartilages of the ribs just above them. The last two false ribs usually have no ventral attachment to anchor […]
- False vocal cord
False vocal cord: A fold of mucous membrane covering muscle in the larynx. The false vocal cord separates the ventricle of the larynx from the vestibule of the larynx. Also called the false vocal fold.
Familial: A condition that tends to occur more often in family members than is expected by chance alone. A familial disease may be genetic (such as cystic fibrosis) or environmental (such as chicken pox).
- Familial adenomatous polyposis
Familial adenomatous polyposis: A genetic disease characterized by the presence of numerous precancerous polyps in the colon and rectum. The polyps usually begin to form at puberty, and colon cancer almost always develops later in life. Abbreviated FAP. FAP is inherited as an autosomal dominant trait. Most people who receive the gene manifest the disease, […]