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).
Supernumerary nipple
An extra nipple. Supernumerary nipples are usually smaller than normal and vestigial (nonfunctional, without accompanying mammary glands). They tend to occur on along a roughly curved line extending from near the armpit, through the center…
Read the definitionRandom terms
Show more- Basophil A type of leukocyte (white blood cell) with coarse bluish-black granules of uniform size within the cytoplasm…
- Antidiuretic hormone (ADH) A relatively small (peptide) molecule that is released by the pituitary gland at the base of the brain after…
- Turcot syndrome A genetic disease characterized by polyps in the colon (large intestine) in addition to tumors in the brain…
- Orphan disease A disease which has not been 'adopted' by the pharmaceutical industry because it provides little financial…
- Anomaly A deviation from the usual, something different, peculiar, or abnormal. A congenital anomaly is something…
- Brown fat Brown adipose tissue, a rapid source of energy for infants in whom it forms about 5% of their body weight. It…
- Sensory integration A form of occupational therapy in which special exercises are used to strengthen the patient's sense of touch…
- Uterine lining The inner layer of the uterus (womb); the cells that line the womb; anatomically termed the endometrium. This…
- Rhinitis, allergic, perennial Allergic rhinitis (hayfever) that occurs throughout the year
- BSL-2 Biosafety level 2. A level of biosafety considered appropriate for agents that can cause human disease, but…
- Vaccines Microbial preparations of killed or modified microorganisms that can stimulate an immune response in the body…
- Nonmelanoma skin cancer Skin cancer that does not involve melanocytes. Basal cell cancer and squamous cell cancer are nonmelanoma…