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).
Pernicious vomiting of pregnancy
Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition, hyperemesis gravidarum, leads to the loss of 5% or more of the body weight of the woman. Hyperemesis gravidarum affects about one in…
Read the definitionRandom terms
Show more- Slipped vertebra See: Spondylolisthesis
- Lactate dehydrogenase (LDH) An enzyme that catalyzes the conversion of lactate to pyruvate. This is an important step in energy…
- Additive genetic effects A mechanism of quantitative inheritance such that the combined effects of genetic alleles at two or more gene…
- NIGMS Stands for the National Institute of General Medical Sciences, one of the National Institutes of Health in…
- Pandiculation The act of stretching and yawning. (If you are in a public place, you might consider demonstrating the…
- Tunica albuginea The whitish membrane within the penis that surrounds the spongy chambers (corpora cavernosa) in the penis and…
- Decubitus ulcer A bed sore, a skin ulcer that comes from lying in one position too long so that the circulation in the skin…
- Factitious disease by proxy See: Munchhausen syndrome by proxy
- USPHS (United States Public Health Service) The agency responsible for the public health of the American people. The Public Health Service (PHS)…
- Evening primrose oil A natural source of essential fatty acids (EFOs). Evening primrose oil contains a higher level of arachnoidic…
- Anvil The incus
- Third stage of labor The part of labor from the birth of the baby until the placenta (afterbirth) and fetal membranes are…