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).
Trimester
The nine months of pregnancy is traditionally divided into three trimesters: distinct periods of roughly three months in which different phases of fetal development take place. The first trimester is a time of basic cell differentiation…
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Show more- Claudication Claudication: Limping. The word 'claudication' comes from the Latin 'claudicare' meaning to limp. The Roman…
- Sialidosis A form of mucolipidosis characterized by deficiency of acid alpha-N-acetyl- neuraminidase (sialidase). See…
- Chromosomes in multiple miscarriages Couples who have had more than one miscarriage (spontaneous abortion) have about a 5% chance that one member…
- Presbyacusis See: Presbycusis
- Deuterium A non-radioactive isotope of hydrogen that contains a neutron in its nucleus in addition to the one proton…
- Ovariectomy The removal of one or both ovaries. Also called an oophorectomy
- Tuberculosis, miliary The presence of numerous sites of tuberculosis infection each of which is minute, due to dissemination of…
- Scales, body fat See: Bioelectric impedance analysis
- Activated charcoal Charcoal that has been heated to increase its absorptive capacity. Activated charcoal is sold as an…
- Polio immunization One of the two polio vaccines that are available: oral polio vaccine (OPV) and inactivated polio vaccine…
- Multiple personality disorder A neurosis in which the personality becomes dissociated into two or more distinct parts each of which becomes…
- IgE Immunoglobulin E, a class of immunoglobulins that includes the antibodies elicited by an allergic substance…