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).
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…
Read the definitionRandom terms
Show more- Single transverse palmar crease Preferable term for what historically was called a simian crease. See: Simian crease
- Presentation, vertex In a vertex presentation, the top of the baby's head comes first at delivery. The vertex here refers…
- Female internal genitalia The internal genital structures of the female, comprising the ovaries, the Fallopian tubes, the uterus…
- Calcitriol The active form of vitamin D. Calcitriol is formed in the kidneys or made in the laboratory. It is used as a…
- Human parainfluenza virus One in a group of four RNA viruses that rank second only to respiratory syncytial virus (RSV) as a common…
- Auditory brainstem response test See: ABR test
- Familial A condition that is tends to occur more often in family members than expected by chance alone. A familial…
- Smoldering leukemia A condition in which the bone marrow does not function normally. It does not produce enough blood cells. This…
- Transient insomnia See Insomnia, transient
- Pregnancy danger from fifth disease Caused by a virus known as parvovirus B 19. Symptoms include low-grade fever, fatigue, a 'slapped cheeks…
- Colonic adenoma family history See: Colon cancer family history
- Bummed out Slang term for depression. For more, see: Depression