MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Affect
The emotional tone a person expresses. A person's affect may be appropriate or inappropriate to the situation. One type of inappropriate affect is a flat affect or blunted affect, a common feature of schizophrenia
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Show more- NIGMS Stands for the National Institute of General Medical Sciences, one of the National Institutes of Health in…
- Caspase-3 See: Caspase 3
- Menarche The time in a girl's life that menstruation first begins. During the menarche period, menstruation may be…
- CD4 count, absolute See: Absolute CD4 count
- Electrophoresis A process by which molecules (such as proteins, DNA, or RNA fragments) can be separated according to size and…
- Interstitial cystitis (IC) Disease that involves inflammation or irritation of the bladder wall. This inflammation can lead to scarring…
- EYCL3 A gene for brown/blue eye color located on chromosome 15. See also: Eye color
- Method, rhythm Also known as fertility awareness, natural family planning, and periodic abstinence, this approach to…
- Traumatic alopecia Hair loss caused by injury to the scalp. Traumatic alopecia is usually caused by grooming methods that…
- Percutaneous endoscopic gastrostomy (PEG) Percutaneous endoscopic gastrostomy (PEG): A surgical procedure for placing a feeding tube without having to…
- Acute lymphoblastic leukemia An acute (sudden onset), rapidly progressing form of leukemia that is characterized by the presence in the…
- Gram (measure) A unit of measurement of weight and mass in the metric system. In weight, a gram is equal to a thousandth of…