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).
Qid (on prescription)
A Chinese herb (also called sweet wormwood) from which is extracted the antimalarial agent artemisinin.
Read the definitionRandom terms
Show more- STEP procedure See: Serial transverse enteroplasty
- Antiparallel A term applied to two molecules that are side by side but run in opposite directions. The two strands of DNA…
- Up-regulation See: Upregulation
- Ot- Prefix meaning ear, used before a vowel, as in otalgia and otitis. Before a consonant, ot- becomes oto-, as…
- Post-traumatic stress Stress: An anxiety disorder that develops in some individuals who have had major traumatic experiences. The…
- CCD (Central core disease of muscle) One of the conditions that produces 'floppy baby' syndrome. CCD causes hypotonia (floppiness) in the newborn…
- HIV Acronym for the Human Immunodeficiency Virus, the cause of AIDS (acquired immunodeficiency syndrome). HIV has…
- Pre-sleep dream Also called a hypnagogic hallucination, this type of dream is characteristically vivid and occurs as one is…
- Acid, folic One of the B vitamins that is a key factor in the synthesis (the making) of nucleic acid (DNA and RNA). A…
- Lycanthropy The delusion that one has become a wolf or the werewolf transformation. Werewolf myths were associated with…
- Longitudinal The word come from the Latin longitudo meaning length. Hence, longitudinal means along the length, running…
- Doyle, Sir Arthur Conan See: Conan Doyle, Sir Arthur