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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
RFLP
An antigen found in the red blood cells of most people: those who have Rh factor are said to be Rh positive (Rh+), while those who do not are Rh negative (Rh-) Blood used in transfusions much match donors for Rh status as well as for ABO…
Read the definitionRandom terms
Show more- Hypohidrosis Subnormal sweating, less sweating than usual. Hidrosis meaning sweating, so hypohidrosis is literally…
- Pressure, low blood Any blood pressure that is below the normal expected for an individual in a given environment. Low blood…
- Inotropic Affecting the force of muscle contraction. An inotropic heart drug is one that affects the force with which…
- Blue baby operation A surgical procedure for a baby who is cyanotic (blue) due to a heart malformation that prevents blood from…
- Crack (drug) The street name given to cocaine that has been processed from cocaine hydrochloride to a ready-to-use free…
- Natriuretic peptide >A-type natriuretic peptide is secreted largely by the atrial myocardium in response to dilatation. >B-type…
- NPH NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- SIDS (sudden infant death syndrome) The sudden and unexpected death of a baby with no known illness, typically affecting sleeping infants between…
- Lytic Suffix having to do with lysis (destruction), as in hemolytic anemia, the excessive destruction of red blood…
- Karyotype A standard arrangement of the chromosome complement done for chromosome analysis. For example, a normal human…
- Test, nerve conduction See: Nerve conduction velocity test
- Apex From the Latin meaning summit, the apex is the tip of a pyramidal or rounded structure, like the lung or the…