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.
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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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Heterochromatin, constitutive
Heterochromatin that is fixed and irreversible. Regions of constitutive heterochromatin are located at very specific spots in the genome (on chromosomes 1, 9, 16 and the Y chromosome, the tiny short arms of chromosomes 13-15 and 21 and 22…
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Show more- Castration Removal of the sex glands, usually used to indicate removal of the male testicles
- Cisplatin An anticancer drug that belongs to the family of drugs called platinum compounds. Cisplatin is used in the…
- Sub- Prefix meaning meaning under, below, less than normal, secondary, less than fully. As in subacute, subaortic…
- Rejection In transplantation biology, the refusal by the body to accept transplanted cells, tissues or organs. For…
- Bacteria Single-celled microorganisms which can exist either as independent (free-living) organisms or as parasites…
- Fourth disease A disorder characterized by a rash due to a toxin produced by Staphylococcus aureus (Staph aureus bacteria)…
- Triage The process of sorting people based on their need for immediate medical treatment as compared to their chance…
- Valves, heart There are four heart valves. All are one-way valves. Blood entering the heart first passes through the…
- Mitochondrial Referring to mitochondria. The mitochondria are normal structures called organelles in cells. They are…
- Toluidine A chemical compound implicated, along with aniline, in the causation of bladder cancer. Aniline and…
- Caution codes, drug Abbreviations on medications that indicate caution. While not a part of the historical heritage of ancient…
- Recommended Dietary Allowance The RDA, the estimated amount of a nutrient (or calories) per day considered necessary for the maintenance of…