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).
Ovarian cyst
A fluid-filled sac in the ovary. The most common type of ovarian cyst is called a follicular cyst. It results from the growth of a follicle. A follicle is the fluid-filled cyst that contains an egg. In some cycles, this follicle grows…
Read the definitionRandom terms
Show more- Symptom of pregnancy See: Pregnancy symptom
- Spastic dysphonia See: Spasmodic dysphonia
- ORF Open reading frame
- Trichuris trichiura A nematode (roundworm) also called the human whipworm. The third most common round worm of humans. Occurs…
- Polycystic kidney disease, autosomal recessive Ystic kidney disease, autosomal recessive: An early onset disorder characterized by the presence of…
- Pseudoobstruction, neuropathic Intestinal pseudoobstruction caused by damage to nerve cells in the walls of the bowel
- Multiple daily injections Abbreviated MDI. Several shots every day as of insulin to provide tight control of blood sugar
- Humor, aqueous In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aqueous humor is the fluid normally…
- Hip pointer Sportstalk for an iliac crest contusion (a bruise of the upper edge of the ilium, one of the hip bones).
- Corticosteroid Any of the steroid hormones made by the cortex (outer layer) of the adrenal gland. Cortisol is a…
- Policy, Medigap See: Medigap policy>
- Objective In a microscope, the objective (also called the objective lens) is the lens nearest to the object being…