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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Stage of expulsion
See: Second stage of labor
Read the definitionRandom terms
Show more- Locoregional Limited to a local region. See also: Locoregional anesthesia; Locoregional metastasis
- Rate, fetal mortality The ratio of fetal deaths divided by the sum of the births (the live births + the fetal deaths) in that year…
- Hereditary nonpolyposis colorectal cancer See: Hereditary nonpolyposis colon cancer
- Breast bone Breast bone: Familiar name for the sternum, the long flat bone in the middle of the front of the chest. The…
- Immunization, HIB This immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria…
- Atonic seizure A seizure in which the person suddenly loses muscle tone and strength and, unless supported, falls down. Also…
- Comedo The primary sign of acne consisting of a dilated (widened) hair follicle filled with keratin squamae (skin…
- Internal medicine A medical specialty dedicated to the diagnosis and medical treatment of adults. A physician who specializes…
- Immunoglobulin D Abbreviated IgD. A class of immunoglobulins found as antibodies on the surface of B cells (B lymphocytes)…
- KB 1. The skin disease Keratodermia blennorrhagicum. 2. Kilobase of DNA. The preferred abbreviation for kilobase…
- Fish-odor syndrome An inborn error of metabolism associated with an offensive body odor, the smell of rotting fish, due to the…
- Hydatid disease, alveolar A tumor that forms in the uterus as a mass of cysts resembling a bunch of grapes. Moles occur during the…