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).
Human Development, . . . (NICHD)
Of Child Health and (NICHD): One of the US National Institutes of Health, NICHD is in a sense the NIH for kids in that it is concerned with child health. The mission of the NICHD is, in formal terms, to support and conduct 'research on…
Read the definitionRandom terms
Show more- Rhinitis, allergic, perennial Allergic rhinitis (hayfever) that occurs throughout the year
- Attenuate To weaken, dilute, thin, reduce, weaken, diminish. The use of 'attenuate' in medicine is not new. In the 16th…
- Habitus The physique or body build. Also the posture. For example, corticosteroid therapy can produce a…
- Thyroid A blood protein that binds with the thyroid hormone thyroxine (T4).
- Heart valves There are four heart valves. All are one-way valves. Blood entering the heart first passes through the…
- Syncope, swallowing The temporary loss of consciousness upon swallowing. Syncope is the temporary loss of consciousness or, in…
- Alpha interferon A protein produced by the body in response to an infection. There are 3 major classes of interferon -- alpha…
- Genitalia, male See: Male genitalia
- Hiatal hernia Hiatal hernia: An anatomical abnormality in which part of the stomach protrudes up through the diaphragm into…
- Umbilicus The vestige left behind on a newborn's belly when the umbilical cord is cut. Also called the navel or belly…
- Colorectal cancer family history See: Colon cancer family history
- GYN Short for gynecology and gynecologist. A gynecologist is a doctor who specializes in treating diseases of the…