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).
Cytology
The medical and scientific study of cells. Cytology refers to a branch of pathology, the medical specialty that deals with making diagnoses of diseases and conditions through the examination of tissue samples from the body. Cytologic…
Read the definitionRandom terms
Show more- Sprain, ankle See: Ankle sprain
- Differentiation 1 The process by which cells become progressively more specialized; a normal process through which cells…
- DTC Direct-to-consumer, as in DTC advertising of prescription drugs
- Paraplegic Pertaining to paraplegia (paralysis of the lower part of the body including the legs)
- Jaundice, obstructive Jaundice caused by obstruction of the bile ducts, as with gallstones. Additional symptoms of obstructive…
- Calcimimetic A drug in a class of orally active, small molecules that decrease the secretion of parathyroid hormone (PTH)…
- Areola 1. The small darkened area around the nipple of the breast. 2. The colored part of the iris around the pupil…
- Fetal infant An extremely low birth weight infant. A very, small infant. One, for example, with a birth weight of 400 to…
- Reflex A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The…
- Cell lineage A genealogic pedigree of cells related through mitotic division
- Involuntary smoking The involuntary inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
- Hangman injury (Hangman's fracture) A broken neck involving a fracture of an upper cervical vertebra similar to the injury suffered in death by…