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).
Cleft lip
The presence of one or two vertical fissures (clefts) in the upper lip -- cleft lip can be on one side only (unilateral) or on both sides (bilateral) -- resulting from failure of the normal process of fusion of the lip to come to…
Read the definitionRandom terms
Show more- Gingko biloba An herb that is very popular as a treatment for dementia (a progressive brain dysfunction) and to improve…
- Leukemia, refractory Leukemia in which the high level of white blood cells is not decreasing in response to treatment
- Vaccinia, disseminated See Progressive vaccinia
- Peptic ulcer Peptic ulcer: A hole in the lining of the stomach, duodenum, or esophagus. A peptic ulcer of the stomach is…
- Nerve, sciatic The largest nerve in the body, the sciatic nerve begins from nerve roots in the lumbar part of the spinal…
- Breast development, early The beginning of breast development at puberty is known medically as thelarche. It is now a normal event at…
- Varicocele A common scrotal condition characterized by elongation and enlargement of the network of veins leaving the…
- Grief, unresolved See: Complicated grief
- PKU See Maternal phenylketonuria.
- Headache, sinus See: Sinus headache
- Spinal compression The act of exerting an abnormal amount of pressure on the spinal cord. Spinal compression may, for instance…
- Dilating The widening and opening of the cervix caused by uterine contractions