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Medical Dictionary Terms Beginning with R
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Recombinant clones
Recombinant clones: Clones containing recombinant DNA molecules.more detail info...
Recombinant DNA molecules
Recombinant DNA molecules: A combination of DNA molecules of different origin that are joined using recombinant DNA technology.more detail info...
Recombinant DNA technology
Recombinant DNA technology: A series of procedures used to join together (recombine) DNA segments. A recombinant DNA molecule is constructed (recombined) from segments from 2 or more different DNA molecules. Under certain conditions, a recombinant DNAmore detail info...
Recombination
Recombination: The trading of fragments of genetic material between chromosomes before the egg and sperm cells are created. Key features of recombination include the point-to-point association of paired chromosomes (synapsis) followed by the visible exmore detail info...
RECOMBIVAX-HB
RECOMBIVAX-HB: A vaccine against hepatitis B (hep B) to stimulate the body’s immune system to produce antibodies against the hep B virus.more detail info...
Recrudescence
Recrudescence: Reappearance. In Latin, recrudescere meant to become raw or sore again. Recrudescence has broadened out so there can now be the recrudescence of a rash, of arthritis, etc.more detail info...
Rectal
Rectal: Having to do with the rectum.more detail info...
Rectal cancer
Rectal cancer: A malignant tumor arising from the inner wall of the large intestine. The third leading cause of cancer in males, fourth in females in the U.S. Risk factors include heredity (family history), colon polyps, and long-standing ulcerative comore detail info...
Rectum
Rectum: The last 6 to 8 inches of the large intestine. The rectum stores solid waste until it leaves the body through the anus. The word rectum comes from the Latin rectus meaning straight (which the human rectum is not).more detail info...
Rectus
Rectus: Usually refers to the rectus abdominis, a large muscle in the front of the abdomen that assists in the regular breathing movement and supports the muscles of the spine while lifting and keeping abdominal organs such as the intestines in place. Themore detail info...
Rectus abdominis
Rectus abdominis: A large muscle in the front of the abdomen that assists in the regular breathing movement and supports the muscles of the spine while lifting and keeping abdominal organs such as the intestines in place. The rectus abdominis plays a keymore detail info...
Recuperate
Recuperate: To recover health and strength. From the Latin recuperare meaning to regain, get back, recover. To recuperate is to convalesce.more detail info...
Recur
Recur: To occur again. To return. Any symptom (such as fatigue), any sign (such as a heart murmur), or any disease can recur.more detail info...
Recurrence
Recurrence: The return of a sign, symptom or disease after a remission. The reappearance of cancer cells at the same site or in another location is, unfortunately, a familiar form of recurrence.more detail info...
Recurrence risk
Recurrence risk: In medical genetics, the recurrence risk is the chance that a genetic (inherited) disease present in the family will recur in that family and affect another person (or persons). It is the chance of &lightning striking twice&more detail info...
Recurrent
Recurrent: Back again. A recurrent fever is a fever that has returned after an intermission: a recrudescent fever.more detail info...
Recurrent laryngeal nerve
Recurrent laryngeal nerve: A branch of a nerve (the vagus nerve) that comes down the neck and turns back (&recurs&) to supply the larynx (the &voice box&).more detail info...
Recurrent laryngeal nerve
Recurrent laryngeal nerve: One of the best known branches of the vagus nerve (a long and important nerve that originates in the brainstem and runs down to the colon). After the recurrent laryngeal nerve leaves the vagus nerve, it goes down into the chestmore detail info...
Red blood cells
Red blood cells: Red blood cells (RBCs) are cells that carry oxygen in the blood. They are also called red corpuscles.more detail info...
Red cells
Red cells: Short for red blood cells, the oxygen/carbon dioxide carrying cells in blood. Also known acronymically as RBC’s, red corpuscles or erythrocytes (literally, red hollow vessels).more detail info...