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).
Tocolytic agent
A medication that can inhibit labor, slow down or halt the contractions of the uterus. Tocolytic agents are widely used today to treat premature labor and permit pregnancy to proceed and so permit the fetus to gain in size and maturity…
Read the definitionRandom terms
Show more- Laceration A cut. All that is required to care for most cuts is to wash them with soap and water and keep them clean and…
- Nondisjunction Failure of paired chromosomes to disjoin (separate) during cell division so that both chromosomes go to one…
- Nasal passage The walls of the nasal passages are coated with respiratory mucous membranes which contain innumerable tiny…
- Liposarcoma A malignant tumor that arises in fat cells in deep soft tissue, such as that inside the thigh. Most frequent…
- Restriction endonuclease An enzyme from bacteria that can recognize specific base sequences in DNA and cut (restrict) the DNA at that…
- PVC Premature ventricular contraction. See: Extrasystole
- Jewett staging system A system for determining the stage of a prostate cancer. The system uses ABCD. The letters 'A' and 'B'…
- Fornix cerebri An arching fibrous band in the brain connecting the two lobes of the cerebrum. (The cerebrum is the largest…
- Subarachnoid Literally, beneath the arachnoid, the middle of three membranes that cover the central nervous system. In…
- Leg pain with cramping An aching, crampy, tired, and sometimes burning pain in the legs that comes and goes -- it typically occurs…
- Cell, T See T cell
- Genome, mitochondrial All of the genetic information contained in the chromosome of the mitochondrion, a structure located in the…