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).
Hydrocephalus, congenital
Hydrocephalus present at birth
Read the definitionRandom terms
Show more- Glucose, fasting blood Glucose, fasting blood: A method for learning how much glucose (sugar) there is in a blood sample taken after…
- Obtunded Mentally dulled. A person may be obtunded due to head trauma. To obtund is to dull or blunt. From the Latin…
- Introitus, facial canal In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…
- Second cranial nerve The second cranial nerve is the optic nerve, the nerve that connects the eye to the brain and carries the…
- Bedwetting Bedwetting: Involuntary urination in bed. Bedwetting is called 'enuresis,' from the Greek 'enourin' meaning…
- Patient-activated event recorder See: Patient-activated cardiac event recorder
- Gram-negative Gram-negative bacteria lose the crystal violet stain (and take the color of the red counterstain) in Gram's…
- Culdoscopy The introduction of a viewing tube (called an endoscope or culdoscope) through the end of the vagina into the…
- Index, body mass (BMI) An index that relates body weight to height. The body mass index (BMI) is obtained by dividing a person's…
- Vascular bed The vascular system, or a part thereof: for example, the pulmonary vascular bed describes the blood vessels…
- Tonic-clonic seizure The classic type of epileptic seizure consisting of two phases to a tonic-clonic seizure -- the tonic phase…
- Positional cloning Cloning a gene based simply on knowing its position in the genome without any idea of the function of that…