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).
Learning disability
Learning disability: A childhood disorder characterized by difficulty with certain skills such as reading or writing in individuals with normal intelligence. Learning disorders affect the ability to interpret what one sees and hears or the…
Read the definitionRandom terms
Show more- Pyloric stenosis Narrowing (stenosis) of the outlet of the stomach so that food cannot pass easily from it into the duodenum…
- CD40 A receptor molecule on the cell surface of all mature B cells (B lymphocytes), most B-cell malignancies, and…
- Substance abuse >A. A maladaptive pattern of substance use leading to clinically significant impairment or distress, as…
- Polio immunization One of the two polio vaccines that are available: oral polio vaccine (OPV) and inactivated polio vaccine…
- Carbohydrate Mainly sugars and starches, together constituting one of the three principal types of nutrients used as…
- Condyloma A wartlike growth around the anus, vulva, or glans penis. There are three major types of condylomas, each of…
- Streptococcus A group of bacteria, familiarly known as strep, that cause a multitude of diseases. The name comes from the…
- Inversion, paracentric chromosome A basic type of chromosome rearrangement in which a segment that does not include the centromere (and so is…
- Exercise-induced bronchospasm Also called exercise- induced asthma, this is asthma that is triggered by vigorous physical activity…
- Dissect To cut apart or separate tissue as, for example, for anatomical study or in surgery. Also, an artery is said…
- Alternate hemiplegia See: Alternating hemiplegia of childhood
- Tooth and nail syndrome A genetic disorder characterized by the absence of several teeth at birth and abnormalities of the nails. The…