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).
Lyophilization
A process by which material is rapidly frozen and dehydrated under high vacuum
Read the definitionRandom terms
Show more- Barber itch A superficial fungal infection of the skin in the bearded area of the face and neck, with swellings and…
- Bed blocker A patient who uses a hospital bed for a long period of time because they are chronically ill. The patient…
- Sella turcica The 'Turkish saddle' in which sits the pituitary gland. The sella is a bony box in the middle of the head. It…
- Amyotrophic lateral sclerosis (ALS) Amyotrophic lateral sclerosis (ALS): A classic motor neuron disease. Motor neuron diseases are progressive…
- A1C A test that measures how much glucose has been sticking during the past 3-4 months to hemoglobin, the…
- Gingivitis, fusospirillary This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Tension 1) The pressure within a vessel, such as blood pressure: the pressure within the blood vessels. For example…
- Anxiety Anxiety: A feeling of apprehension and fear characterized by physical symptoms such as palpitations…
- Heart The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the…
- Human T-lymphotropic virus type III An obsolete term for the human immunodeficiency virus, now commonly called HIV
- Cold, common A viral upper respiratory tract infection. This contagious illness can be caused by many different types of…
- Goldring See: Goldring, Sidney