MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
MRD
Minimal residual disease, evidence for the presence of residual malignant cells, even when so few cancer cells are present that they cannot be found by routine means. Tests for minimal residual disease (MRD) can detect some early tumors…
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Show more- Interventional radiology (IR) Rventional radiologists employ image guidance methods to gain access to the deep interstices of most organs…
- Syndrome, temporomandibular joint Disorder of the temporo-mandibular joint (TMJ) causing pain usually in front of the ear. Pain in the TMJ can…
- Downregulation An decrease in the number of receptors on the surface of target cells, making the cells less sensitive to a…
- Juxtaglomerular apparatus The prefix 'juxta-' comes from the Latin preposition meaning near, nearby, close. The juxtaglomerular…
- Syndrome, Martorell See: Takayasu disease
- Mixed bipolar state The occurrence of symptoms of mania and depression together. A person may feel sad and hopeless while at the…
- Genitalia, female See: Female genitalia
- Urination, difficulty See: Dysuria
- Atrium One of the two smaller chambers of the heart. Each atrium consists of an open space with recessed walls. The…
- Brain edema See: Cerebral edema
- HCV PCR viral detection test See: HCV PCR
- Beau's lines Transverse lines or grooves across the fingernails; transverse depressions in the nail plate. Beau's lines…