Any subjective evidence of disease. In contrast, a sign is objective. Blood coming out a nostril is a sign; it is apparent to the patient, physician, and others. Anxiety, low back pain, and fatigue are all symptoms; only the patient can perceive them.
1 With symptoms, as a symptomatic infection. 2 Characteristic of an illness or other medical condition. 3 Directed at the symptoms as symptomatic treatment.
- Symptomatic treatment
Therapy that eases the symptoms without addressing the basic cause of the disease. For example, symptomatic treatment of advanced lung cancer that has spread (metastasized) beyond the lung is designed to decrease the pain and other symptoms but not to eradicate the disease. Symptomatic treatment is also called palliative treatment.
- Symptoms, withdrawal
Abnormal physical or psychological features that follow the abrupt discontinuation of a drug that has the capability of producing physical dependence. Common withdrawal symptoms include sweating, tremor, vomiting, anxiety, insomnia, and muscle pain.
A specialized junction at which a neural cell (neuron) communicates with a target cell. At a synapse, a neuron releases a chemical transmitter that diffuses across a small gap and activates special sites called receptors on the target cell. The target cell may be another neuron or a specialized region of a muscle or secretory […]
The side-by-side and point-by-point pairing of homologous chromosomes during meiosis.