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).
Subdural hematoma
Bleeding into the space between the dura (the brain cover) and the brain itself. This space is called the subdural space. If the hematoma puts increased pressure on the brain, neurological abnormalities including slurred speech, impaired…
Read the definitionRandom terms
Show more- Thanatophoric dysplasia A form of short-limbed (micromelic) dwarfism that usually causes death within the first few hours after…
- Kernig sign A clinical hallmark of meningitis, inflammation of the meninges, the membranes covering the brain and spinal…
- Scales, body fat See: Bioelectric impedance analysis
- Hyperopia Farsightedness; the ability to see distant objects more clearly than close objects. Hyperopia may be…
- Punch biopsy A biopsy performed using a punch, an instrument for cutting and removing a disk of tissue. For example, a…
- Conn syndrome Overproduction of the hormone aldosterone (pronounced al-do-ster-one) by a tumor that contains tissue…
- Reaction, hibernation See: SAD
- ITC In-the-canal (that is, the ear canal). See In-the-canal hearing aid
- Restriction enzyme An enzyme from bacteria that can recognize specific base sequences in DNA and cut the DNA at that site (the…
- Dysplasia, congenital hip The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- Syndrome, antiphospholipid antibody An immune disorder characterized by the presence of abnormal antibodies in the blood associated with abnormal…
- Snowmobile safety Snowmobiles pose a significant risk to children, adolescents and young adults. Head injuries are the leading…