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).
Hemorrhagic cyst
This type of functional cyst occurs when bleeding occurs within a cyst. Symptoms such as abdominal pain on one side of the body may be present with this type of cyst.
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Show more- EPO test A test of the hormone EPO (erythropoietin) in blood. The EPO level can indicate bone marrow disorders, kidney…
- Cranial nerve X The tenth cranial nerve, and one of the most important, is the vagus nerve. All twelve of the cranial nerves…
- Antisense DNA DNA normally has two strands, i.e., the sense strand and the antisense strand. In double-stranded DNA, only…
- Dislocation, congenital hip The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- Rigor A word with two different but related meanings in medicine:1. A chill, usually with shivering, as at the…
- Rehydrate To restore lost water to the body tissues and fluids. Prompt rehydration is imperative whenever dehydration…
- Queensland tick typhus One of the tick-borne rickettsial diseases of the eastern hemisphere. Queensland tick typhus is similar to…
- Puberty, precocious Precocious puberty is the unusually early development of secondary sexual features. The onset of sexual…
- Methanococcus jannaschii A microbe that produces methane, an important energy source, and contains enzymes that withstand high…
- Bone, frontal See: Frontal bone
- Antithyroglobulin An antibody directed against thyroglobulin which is a key protein in the thyroid gland essential to the…
- Thoracic Pertaining to the chest