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).
Heterotaxy
The abnormal placement of organs due to failure to establish the normal left-right patterning during embryonic development. The morbidity (disease) and mortality (death) from heterotaxy are caused by congenital defects, especially…
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Show more- Baldness, patchy Baldness, patchy: Patchy baldness. Also referred to as alopecia areata. Alopecia means baldness and areata…
- Syndrome, Wolff-Parkinson-White A condition caused by an abnormality in the electrical system of the heart which normally tells the heart…
- Shock, hypovolemic Shock due to a decrease in blood volume. This is the #1 cause of shock. It can be due to loss of blood from…
- Eukaryote An organism that consists of one or more cells each of which has a nucleus and other well-developed…
- Hepat- Having to do with the liver. Pronounced hi-'pa-tik. From the Latin hepaticus derived from the Greek hepar…
- RNA silencing See: RNA inactivation; and RNA interference
- Impotence Impotence: A common problem among men characterized by the consistent inability to sustain an erection…
- Liver spot A pigmented flat spot on sun-exposed skin in older adults, especially on the back of the hands and on the…
- Estrogens Female hormones produced by the ovaries. Estrogen deficiency can lead to osteoporosis. Estrogen therapy…
- Familial Parkinson disease type 10 A familial form of Parkinson disease inherited in an autosomal dominant manner due to a gene on chromosome…
- Reiki ('RAY-kee') A Japanese word representing Universal Life Energy. Reiki is based on the belief that when…
- Patellofemoral syndrome (PFS) Patellofemoral syndrome (PFS): The commonest cause of chronic knee pain, PFS characteristically causes vague…