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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Lymphoid
Referring to lymphocytes, a type of white blood cell. Also refers to tissue in which lymphocytes develop.
Read the definitionRandom terms
Show more- Mastoiditis Inflammation of the mastoid, often secondary to ear infection.
- Stent A tube designed to be inserted into a vessel or passageway to keep it open. Stents are inserted into narrowed…
- Morton's toe See: Morton's syndrome
- Haemophilus influenzae type B (HIB) immunization This kind of immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a…
- Corpus callosum, agenesis of the See: Agenesis of the corpus callosum
- Legg disease See Legg-Calve-Perthes disease
- Aerobic exercise Brisk physical activity that requires the heart and lungs to work harder to meet the body's increased oxygen…
- Macrobiota The living organisms (or flora and fauna) of a region that are large enough to be seen with the naked eye…
- Turbinectomy Removal of a turbinate bone. The turbinate is a bone in the nose; it is an extension of the ethmoid bone, is…
- Trimethylaminuria (TMA) An inborn error of metabolism associated with an offensive body odor, the smell of rotting fish, due to the…
- Titre Variant spelling of 'titer' -- the degree of dilution of a substance such as an antibody, reflecting the…
- Deuteranomaly Colorblindness of the red-green type, also known as deuteranopia or Daltonism. The term 'Daltonism' is…