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).
Ankyrin deficiency
Known also as hereditary spherocytosis (HS), this is a genetic disorder of the red blood cell membrane clinically characterized by anemia, jaundice (yellowing) and splenomegaly (enlargement of the spleen), due to deficiency of ankyrin, a…
Read the definitionRandom terms
Show more- Male breast cancer Male breast cancer: See: Breast cancer, male.
- Analgesia The inability to feel pain while still conscious. From the Greek an-, without + algesis, sense of pain.
- Os calcis See: Calcaneus
- Hyperaldosteronism Overproduction of the hormone aldosterone from the outer portion (cortex) of the adrenal gland or a tumor…
- Plasma osmolarity The osmolarity of blood plasma, which is a measure of the hydration status. The plasma osmolarity is…
- Section, cross A transverse cut through a structure. The opposite is a longitudinal section
- Fat, unsaturated A fat that is liquid at room temperature and comes from a plant such as olive, peanut, corn, cottonseed…
- Intraocular tension The pressure within the eye. See: Intraocular pressure
- Maimonides' prayer R of a Physician: A prayer that is said to have been written by the 12th-century physician-philosopher Moses…
- Nail In medicine, there are two types of nails. One is just a plain old metal nail used to hold 2 or more pieces…
- Disease, Legg-Perthes See Legg-Calve-Perthes disease
- Fear of sexual intercourse An abnormal and persistent fear of male-female sexual intercourse. Sufferers of this fear experience undue…