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).
Cryopreservation
The process of cooling and storing cells, tissues, or organs at very low temperatures to maintain viability. For example, the technology of cooling and storing cells at a temperature below the freezing point (-196 C) permits high rates of…
Read the definitionRandom terms
Show more- Phenotype, Klippel-Feil See: Klippel-Feil sequence
- Pachyonychia Elephant nail, a fingernail or toenail that is abnormally thick. From the Greek pachys, thick + onyx, nail =…
- Family, gene A group of genes related in structure and often in function. The genes belonging to a gene family are…
- Paralytic ileus Paralysis of the intestine. To be termed 'paralytic ileus,' the intestinal paralysis need not be complete…
- Trichinella spiralis The worm that causes trichinosis. Trichinella spiralis larvae can infest pigs and wild game, hibernating in…
- Biopsy, bone marrow See: Bone marrow biopsy
- AIDS wasting syndrome The involuntary weight loss of 10% of baseline body weight plus either chronic diarrhea (two loose stools per…
- BSL-4 Biosafety level 4. The highest level of biosafety. This level is used for the diagnosis of exotic agents such…
- Aesculapius That stick with the snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios), the…
- Mitral valve A valve in the heart situated between the left atrium and the left ventricle that permits blood to flow from…
- MCAF Monocyte chemotactic and activating factor. See: MPC1
- Gene, Med1 DNA repair A gene that codes for one of the key enzymes involved in repairing DNA. The DNA in genes is constantly…