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).
Cysts
Cysts: Cysts are abnormal, closed sac-like structures within a tissue that contain a liquid, gaseous, or semisolid substance. Cysts can occur anywhere in the body and can vary in size. The outer, or capsular, portion of a cyst is termed…
Read the definitionRandom terms
Show more- Curable Amenable to a cure, capable of being cured, to being healed and made well. Most skin cancers, fortunately…
- Diathermy The use of heat to destroy abnormal cells. Also called cauterization or electrodiathermy.
- Gene expression The translation of information encoded in a gene into protein or RNA. Expressed genes include genes that are…
- Abortion, multiple Two or more miscarriages (spontaneous abortions) by a woman. Couples who have had multiple abortions have…
- Schizotypal personality disorder A type of personality characterized by unusual patterns of speech and behavior and by social withdrawal. See…
- Heart disease, rheumatic Heart damage caused by rheumatic fever. Treatment is by preventing reinfection with strep and by treating…
- Paroxysmal sleep Sleep: A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…
- Tibia The larger of the two bones in the leg (the smaller one being the fibula). The tibia is familiarly known as…
- Yawn Involuntary opening of the mouth, often caused by suggestion. Yawning is characterized by breathing first…
- Sarcoma botryoides A malignancy of the cervix, vagina, or bladder in infants and young children that arises from embryonal…
- Cone snail A fishing-eating snail (Conidae) that inhabits tropical coral reefs and produces toxins that immobilize their…
- Analysis, linkage Study aimed at establishing linkage between genes. Today linkage analysis serves as a way of gene-hunting and…