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).
Cohort study
A study in which a particular outcome, such as death from a heart attack, is compared in groups of people who are alike in most ways but differ by a certain characteristic, such as smoking. See also: Cohort
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Show more- Stroke volume The amount of blood pumped by the left ventricle of the heart in one contraction. The stroke volume is not…
- Endometriosis uterina Also known as adenomyosis (pronounced ad-den-o-mi-o-sis), this is a common benign condition of the uterus in…
- Passive exercise Movement of the body, usually of the limbs, without effort by the patient. The patient is passive
- Octogenarian Someone in his or her eighties, that is, between 80 and 89 years of age. See also: Age by decade
- Lab Short for a laboratory (or a Labrador retriever)
- Neurosteroid A brain steroid, a molecule structurally similar to cortisone, progesterone and the gonadal hormones…
- Open-angle glaucoma Glaucoma: Glaucoma in which the aqueous (fluid) that flows through the pupil into the anterior (front)…
- Cor biloculare A two-chambered heart. Cor biloculare is due to failure of development of the walls that normally separate…
- Tonometry Tonometry: A standard eye test that determines the fluid pressure inside the eye. Increased pressure is a…
- Arc eye A condition experienced by welders who do not use adequate eye protection. The intense ultraviolet light…
- Dandy fever An acute mosquito- borne viral illness of sudden onset that usually follows a benign course with headache…
- Joint >Gliding -- one bony surface glides on another without angular or rotatory movement; >Angular -- occurs only…