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).
Fetal infant
An extremely low birth weight infant. A very, small infant. One, for example, with a birth weight of 400 to 500 grams
Read the definitionRandom terms
Show more- Drain A device for removing fluid from a cavity or wound. A drain is typically a tube or wick. As a verb, to allow…
- Glycogen storage disease One of the 14 recognized diseases that interfere with the storage of carbohydrates as glycogen in the body…
- Insulin pump A pump for delivering insulin in order to achieve tight blood sugar control and lifestyle flexibility while…
- Immunization, mumps Mumps: See Immunization, MMR
- Prognathism An overly prominent jaw.
- Lip One of the two fleshy folds which surround the opening of the mouth. The upper lip is separated from the nose…
- Asplenia The absence of a spleen or one that functions. (The spleen can be functionally destroyed, as occurs in…
- Caudate nucleus In each hemisphere of the brain, the most medial of the four basal ganglia, partly responsible for body…
- Water requirements, infant Water is an important part of a baby's diet because water makes up a large proportion of the baby's body…
- BP Commonly used abbreviation for blood pressure. On a medical chart, you might see 'BP90/60 T98.6 Ht60/reg…
- B virus An infectious agent commonly found among macaque monkeys, including rhesus macaques, pig-tailed macaques, and…
- LUL Acronym for the left upper lobe (of the lung). The left lung has but two lobes. The other lobe is naturally…