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…
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Show more- Vasovagal attack See: Vasovagal reaction
- Cox-2 inhibitor A type of drug that selectively blocks the enzyme cox-2 (cyclooxygenase-2). Blocking this enzyme impedes the…
- CHF Congestive heart failure
- Metabolism The whole range of biochemical processes that occur within us (or any living organism). Metabolism consists…
- Post-menopausal See: Postmenopausal
- GOLD-0 One of the stages of chronic obstructive lung disease (COPD), according to the Global Initiative for Chronic…
- Limb-girdle muscular dystrophy See: Muscular dystrophy, limb-girdle
- Thelarche The beginnings of breast development at puberty. Thelarche is now a normal event at an earlier age (e.g., age…
- Parry's disease Toxic multinodular goiter. Named for the English physician Caleb Hillier Parry (1755-1822). also called…
- Fecal occult blood test Fecal occult blood test: A test to check for hidden blood in the feces. Fecal refers to stool. Occult means…
- Cancer, ovarian Cancer of the ovary, the egg sac of females. The anatomic location of the ovaries: NTER>Most ovarian growths…
- Substance Abuse and Mental Health Services Nistration: A part of the U.S. Public Health Service, SAMHSA works to improve the quality and availability of…