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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Osmolar
In biochemistry, referring to the osmolarity, the concentration of osmotically active particles in solution, which may be quantitatively expressed in osmoles of solute per liter of solution
Read the definitionRandom terms
Show more- Palpable Something that can be felt or touched. For example, a palpable tumor is one that can be felt. From the Latin…
- Goldenhar syndrome Congenital malformation of the jaw, cheek and ear associated with vertebral defects. There is deformity of…
- Sawbones Slang name for a surgeon and, in particular, an orthopaedic surgeon (who may have 'sawed bones' on the…
- Toxoplasma gondii A single-celled parasite that causes toxoplasmosis (toxo) . Toxoplasma gondii is very common (more than 60…
- Post-term infant An overly mature baby that has not been born until well after the usual term pregnancy. A post-term baby is…
- Long arm of a chromosome The long arm of a chromosome is termed the q arm. All human chromosomes have 2 arms, the p (short) arm and…
- Culdoscope The viewing tube (endoscope) introduced through the end of the vagina into the cul-de-sac. The cul-de-sac is…
- Syndrome, Frey Sweating on one side of the forehead, face, scalp, and neck occurring soon after ingesting food as a result…
- Diastole The time period when the heart is in a state of relaxation and dilatation (expansion). The final letter in…
- Peak expiratory flow Abbreviated PEF. The maximum airflow during a forced expiration beginning with the lungs fully inflated. The…
- Hypotonia Decreased tone of skeletal muscles. In a word, floppiness. Hypotonia is a common finding in cerebral palsy…
- VER Visual evoked response. A type of electrophysiologic retinal testing