A surgical procedure on the voice box designed to preserve the voice. The surgeon removes part of the voice box — one vocal cord, part of a cord, or the epiglottis — and leaves the rest, The stoma opening (tracheostomy) into the trachea, most often, is temporary. After a brief recovery period, the tracheostomy tube is removed, and the stoma closes up. The patient can then breathe and talk in the usual way. In some cases, however, the voice may be hoarse or weak.
- Partial seizure
A seizure that affects only one part of the brain. Symptoms depend on which part is affected. One part of the body, or multiple body parts confined to one side of the body, may start to twitch uncontrollably. Partial seizures may involve head turning, eye movements, lip smacking, mouth movements, drooling, rhythmic muscle contractions in […]
- Partial syndactyly
A condition in which fingers or toes are partially joined together. Syndactyly can involve the bones or just the skin. With partial syndactyly, the connection extends from the base only partway up the involved digits.
1. In a clinical trial, someone who takes part in it. A participant may or may not have a disease. The term participant in this regard is synonymous with the term subject. 2. In health care benefits, a person who is eligible to receive health benefits under a health benefits plan. The term participant in […]
- Particle, alpha
A tiny mass of material composed of two protons and two neutrons. Alpha particles do not travel very far from their radioactive source. They cannot pass through a piece of paper, clothes or even the layer of dead cells which normally protects the skin. Because alpha particles cannot penetrate human skin they are not considered […]
Near the umbilicus (the “belly button”). The parumbilical veins are small veins in the front wall of the abdomen near the umbilicus.