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).
Illness, heat-related
A person with symptoms including headache, nausea, and fatigue after exposure to heat probably has some measure of a heat-related illness. It is important to recognize the difference between the very serious condition known as heat stroke…
Read the definitionRandom terms
Show more- Enteral nutrition Pertaining to the small intestine. Also called (less often) enteral.
- Bed blocker A patient who uses a hospital bed for a long period of time because they are chronically ill. The patient…
- Pseudogout Pseudogout: Inflammation of the joints caused by deposits of calcium pyrophosphate crystals, resulting in…
- Melanoma thickness A method for determining the prognosis (outlook) with melanoma. The thickness of a melanoma is related to the…
- PPAR Abbreviation for peroxisome proliferator-activated receptor. There are 3 known subtypes of PPARs --…
- White subungual onychomycosis, proximal The rarest form of fungus infection of the finger or toenail. (Fungus infection of the finger or toenail is…
- Congenital anemia with spinocerebellar ataxia See: Pagon syndrome
- Nerve, afferent A nerve that carries impulses toward the central nervous system (CNS). The opposite of an afferent nerve is…
- Vaginitis Vaginitis: Inflammation of the vagina. The vagina is the muscular canal extending from the cervix to the…
- Ciguatoxin A seafood toxin that is acquired by eating fish that have consumed toxic single-celled marine organisms…
- Cell, totipotent A cell with the capacity to form an entire organism. Human development begins when a sperm fertilizes an egg…
- Myocyte A muscle cell. From myo-, muscle + -cyte, cell = muscle cell. 'Remaining young at heart is a desirable but…