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).
Beard
The hair that normally grows on the male face after puberty. Testosterone, the most potent of the naturally occurring androgens, causes the development of secondary sex features such as the beard that are characteristic of the adult male…
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Show more- Itch, jellyfish An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- RNA Short for ribonucleic acid, a nucleic acid molecule similar to DNA but containing ribose rather than…
- RSV Although several standard medical dictionaries indicate only that RSV stands for Rous sarcoma virus, RSV in…
- Herniated disc Herniated disc: Rupturing of the tissue that separates the vertebral bones of the spinal column. The center…
- Pharmaco-epidemiology The study of the use of drugs in society. The process of identifying and responding to safety issues about…
- Reverse transcriptase The enzyme that permits the human immunodeficiency virus (HIV) and other retroviruses to use their viral RNA…
- Decortication Removal of part or all of the outer surface of an organ such as the lung, kidney, or brain
- Hangman's fracture A broken neck involving a fracture of an upper cervical vertebra similar to the injury suffered in death by…
- Vaccination, infectious hepatitis See Immunization, hepatitis A.
- PHS The Public Health Service, the agency responsible for the public health of the American people. The Public…
- Atonia, REM sleep Sleep : A frightening form of paralysis that occurs when a person suddenly finds himself or herself unable to…
- Euphoria Elevated mood. Euphoria is a desirable and natural occurrence when it results from happy or exciting events…