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).
Bone marrow aspiration
The removal of a small amount of bone marrow (usually from the hip) through a needle. The needle is placed through the top layer of bone and a liquid sample containing bone marrow cells is obtained through the needle by aspirating…
Read the definitionRandom terms
Show more- Anonymous testing Testing in which no name is used -- there is total anonymity -- to identify the person tested. For example…
- Flatulence Excess gas in the intestinal tract. But excess flatulence is difficult to define without a yardstick to…
- Lactobacillus A bacterium normally found in the mouth, intestinal tract, and vagina. Lactobacillus can also live in…
- Single base change A change in which a single base in the DNA differs from the usual base at that position. These single base…
- Muscular dystrophy, distal One of two genetic muscle diseases characterized by wasting of the muscles most distant from the midline…
- Orbital fracture A break in one of the bones that make up the orbit. Since the orbit is the seat of the globe (the eye), an…
- Retinal electrophysiologic testing See: Electrophysiologic retinal testing
- Dyspraxia, developmental A pattern of delayed, uneven, or aberrant development of physical abilities during childhood development. The…
- Labor Childbirth, the aptly-named experience of delivering the baby and placenta from the uterus to the vagina to…
- Strontium An earth element and metal with atomic no. 38, atomic wt. 87.62 that is used in a radioactive form for…
- Regenerate To reproduce or renew something lost. For example, after an injury, the liver has the capacity to regenerate
- Osmolarity, plasma See: Plasma osmolarity