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).
Primary atelectasis
Failure of the lung to expand fully at birth. In contrast to secondary atelectasis in which there is partial or complete collapse of a lung that once had expanded, as may happen after chest surgery
Read the definitionRandom terms
Show more- Do not resuscitate order A request not to have cardiopulmonary resuscitation (CPR) done if the heart stops or breathing ceases. One…
- Contact dermatitis A skin condition caused by contact between skin and some substance. Includes irritant contact dermatitis (a…
- Autonomy, patient The right of patients to make decisions about their medical care without their health care provider trying to…
- Consolidation therapy Therapy: Cancer treatment given after induction therapy to consolidate the gains obtained, further reduce the…
- Law, Hardy-Weinberg Basic concept in population genetics discovered independently in 1908 by the great English mathematician…
- Pesticide A chemical used to control, repel, or destroy pests of any sort. There are scores of different types of…
- Pharma food A food product with a pharmacological additive meant to improve health, for example, to lower cholesterol
- Axis The axis is the second cervical vertebra (symbol: C2). It is called the 'axis' because the uppermost cervical…
- Toilet 1. In medicine, cleansing of a wound and the skin around it. 2. In obstetrics, cleansing of a woman just…
- Liquor cerebrospinalis See: Cerebrospinal fluid
- Rod Beals See: Beals, Rodney K.
- Anion A negatively charged ion. Pronounced an-I-on. An anion is as opposed to a cation, which is a positively…