MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Day sight
Night blindness. Listed in medical dictionaries under 'Nyctalopia' from the Greek 'nyct' (night) + 'aloas' (obscure or blind) + 'opsis' (vision), the condition involves impaired vision in dim light and in the dark (but normal sight in…
Read the definitionRandom terms
Show more- Sign Any objective evidence of disease. Gross blood in the stool is a sign of disease. It can be recognized by the…
- Sweat A colorless transparent acidic fluid with a distinctive odor secreted by the small tubular sudoriferous…
- Protease An enzyme that can split a protein into peptides (from which the protein was originally created).
- Pseudoobstruction, neuropathic Intestinal pseudoobstruction caused by damage to nerve cells in the walls of the bowel
- Consultant An individual to whom one refers for expert advice or services. The use of consultants is common in medicine…
- End-stage renal disease ESRD. Chronic irreversible renal failure
- Hypertension, gestational High blood pressure that develops during pregnancy and may subside after delivery. Women who have experienced…
- Medication, antiprotozoal Something that destroys protozoa or inhibits their growth and ability to reproduce. A few of the protozoa of…
- Eczema, seborrheic Yellowish, oily, scaly patches of skin on the scalp, face, and occasionally other parts of the body
- Yellow enzymes A group of respiratory enzymes that catalyze reactions in the body permitting cells to respire, to breath…
- Asian cholera A devastating and sometimes lethal disease with intense vomiting and profuse watery diarrhea was discovered…
- Lymphoma, non-Hodgkin Malignant tumors that arise in the lymphatic system. There are several subtypes of cancer classified as…