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).
Negative-strand RNA virus
Also known as an antisense-strand RNA virus, a virus whose genetic information consists of a single strand of RNA that is the negative or antisense strand which does not encode mRNA (messenger RNA). Examples of negative-strand RNA viruses…
Read the definitionRandom terms
Show more- Angiitis See: Vasculitis
- Yolk stalk A narrow tube present in the early embryo that connects the midgut of the embryo to the yolk sac outside the…
- FOBT Fecal occult blood test
- Follicular cyst of the ovary A fluid-filled sac in the ovary, the most common type of ovarian cyst. It results from the growth of a…
- CC chemokine receptor 5 See: CCR5
- Randomized controlled trial (RCT) A study in which people are allocated at random (by chance alone) to receive one of several clinical…
- Epinephrine A substance produced by the medulla (inside) of the adrenal gland. The name epinephrine was coined in 1898 by…
- Subluxation of the radial head See: Nursemaid's elbow
- Bone, wing Familiar term for the scapula, also called the shoulder blade or blade bone, the flat triangular bone at the…
- Thyroid cartilage The largest of the cartilages of the larynx (the voice box). The thyroid cartilage is formed of two…
- Chain-termination codon A set of three adjacent bases in the DNA or their complementary bases in messenger RNA that specifies the end…
- Orchiectomy The surgical removal of one or both testes.