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).
Diachronic study
A study done over the course of time. For example, a longitudinal study of children with Down syndrome (trisomy 21) might involve the study of 100 children with this condition from birth to 10 years of age. Also called a longitudinal…
Read the definitionRandom terms
Show more- Uniparous 1) Having produced only one offspring. Also called primiparous. 2) Producing only one offspring at a time…
- Wesand See: Weasand
- Children's immunizations Immunizations: In the United States, it is recommended that all children receive vaccination against: >…
- Monochromat A person with one of the many forms of colorblindness
- Reperfusion The restoration of blood flow to an organ or tissue. After a heart attack, an immediate goal is to quickly…
- Endoplasmic reticulum A structure within cells that is an extension of the nuclear membrane and in which proteins slated to become…
- Stickler syndrome, type II See: Stickler syndrome
- Cancer of the vulva An uncommon cancer of women in which the malignancy is in the vulva, the outer part of the vagina, that…
- Inversion, chromosome A chromosome segment is clipped out, turned upside down and reinserted back into the chromosome. A chromosome…
- Dilation, pupil This examination enables your eye care professional to see more of your retina, the light-sensitive layer of…
- Alkyl group In chemistry, a group of atoms derived from an alkane (a hydrocarbon with no carbon-to-carbon multiple bonds)…
- Primary amenorrhea Absence of menstruation. Amenorrhea is conventionally divided into primary and secondary amenorrhea. With…