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).
Gland
1. A group of cells that secrete a substance for use in the body. For example, the thyroid gland. 2. A group of cells that removes materials from the circulation. For example, a lymph gland
Read the definitionRandom terms
Show more- Oliva The olive, a structure in the brain
- Tooth root The lower two-thirds of a tooth. The roots are normally buried in bone, and serve to anchor the tooth in…
- Protocol, Bruce See: Bruce protocol
- Tunica albuginea The whitish membrane within the penis that surrounds the spongy chambers (corpora cavernosa) in the penis and…
- HNP Human neutrophil peptide
- RML Acronym for the right middle lobe (of the lung). The right lung has three lobes: the right lower lobe (RLL)…
- Adjuvant The Latin 'adjuvans' means to help, particularly to reach a goal. Adjuvant therapy for cancer is surgery…
- Orgasmic disorder See: Anorgasmia.
- Gouty arthritis An attack that is usually extremely painful of joint inflammation due to deposits of uric acid crystals in…
- Macrophage A type of white blood that ingests (takes in) foreign material. Macrophages are key players in the immune…
- Amaurosis fugax A symptom described as a shade coming down over the eye. A partial or complete loss of sight that is…
- Catheterization, venous The insertion of a tiny tube (a catheter) into a peripheral or central vein to deliver fluids or medication…