MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Secondary amenorrhea
The abnormal cessation of menstruation. Amenorrhea is conventionally divided into primary and secondary amenorrhea. With primary amenorrhea, menstruation never takes place. It fails to occur at puberty. With secondary amenorrhea…
Read the definitionRandom terms
Show more- Genitalia, female internal See: Female internal genitalia
- Fear of work An abnormal and persistent fear of work. Sufferers of this fear experience undue anxiety about the workplace…
- Rooting reflex A reflex seen in newborn babies, who automatically turn their face toward the stimulus and make sucking…
- Compound fracture A fracture in which the bone is sticking through the skin. Also called an open fracture. NTER> Note that a…
- CLA 1. Conjugated linoleic acid.2. Cervical lymphadenopathy (swollen lymph nodes in the neck).3. Congenital…
- Putamen An area in the brain within a structure called the lentiform nucleus. The putamen may decrease in size as a…
- Transferrin A plasma protein that transports iron through the blood to the liver, spleen and bone marrow. The blood…
- Sandfly fever An acute mild viral disease characterized by fever, malaise, eye pain, and headache occurring mainly during…
- McArdle's disease See: McArdle disease
- Sick sinus syndrome Symptoms of dizziness, confusion, fainting, and heart failure due to a problem with the sinus node of the…
- Scabies Scabies: Infestation of the skin by the human itch mite, Sarcaptes scabies. The initial symptom of scabies…
- Chaperone Dry, cracked or sore lips, usually in cold, windy, dry weather and less often in warm weather. Sun exposure…