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).
Incubation period
In medicine, the time from the moment of exposure to an infectious agent until signs and symptoms of the disease appear. For example, the incubation period of chickenpox is 14-16 days. In biology, the incubation period is the time needed…
Read the definitionRandom terms
Show more- Mutation, nonsense A mutation (a change) in a base in the DNA that prematurely stops the translation (reading) of messenger RNA…
- Syndrome, Duane See: Duane syndrome
- Antithyroid antibody An antibody directed against the thyroid gland, a gland which produces thyroid hormones (such as, for…
- Psycho-oncology The psychological, social, behavioral, and ethical aspects of cancer. Psycho-oncology addresses the two major…
- Cardiac myxoma A benign tumor of the heart and the most common type of heart tumor in adults. Cardiac myxomas can appear in…
- Pituitary adenoma A benign tumor of the pituitary, the master gland that controls other glands and influences numerous body…
- BRCA breast cancer gene Breast cancer gene: One of several genetic mutations linked to breast cancer and ovarian cancer. There is now…
- Gland, mammary One of the glands within the breast that secrete milk when prompted to do so by special hormones. Mammary…
- Abortion, therapeutic An abortion that is brought about intentionally. Also called an artificial or induced abortion. As opposed to…
- ADH secretion, inappropriate The syndrome of inappropriate secretion of antidiuretic hormone (ADH) results in the inability to put out…
- Cancer, larynx Cancer of the voice box (the larynx) which is located at the top of the windpipe (trachea). Also called…
- Hypercoagulability, estrogen-associated >esterified estrogens >esterified estrogens and methyltestosterone >estradiol >estrogens (conjugated) and…