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).
Foreskin
The fold of skin which covers the head (the glans) of the penis. Also called the prepuce. Only about 1 in every 20 boys is born with a retractable foreskin. This reflects the fact that the histologic (tissue) development of the foreskin is…
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Show more- Desquamation The shedding of the outer layers of the skin. For example, once the rash of measles fades, there is…
- Filovirus A family of viruses that cause hemorrhagic fever. Filoviruses have single- stranded RNA as their genetic…
- Salivary gland One of the glands in the mouth that produce saliva. There are 3 major salivary glands. They are the parotid…
- Blood clot Blood that has been converted from a liquid to a solid state. Also called a thrombus. The process by which a…
- Tumor, ear Benign (noncancerous) bumps on the pinna of the ear (the external ear) or within the external ear canal. Most…
- SMAD4/DPC4 See: MADH4
- Suicide gene A gene whose expression in a cell is lethal for that cell. Suicide genes form the basis of a strategy for…
- Floppy baby syndrome A general medical reference to an abnormal condition of newborns and infants manifested by inadequate tone of…
- Hybridization, fluorescent in situ An important molecular cytogenetic method for identifying chromosomes and parts of chromosomes, deciphering…
- Stratum corneum The stratum corneum as a rule refers to the outermost layer of the epidermis, which is itself the outer layer…
- Disease, hydroxyapatite crystal The inflammation caused by hydroxyapatite crystals has been referred to as hydroxyapatite crystal disease…
- Muscle, subscapularis >The subscapularis muscle; >The supraspinatus muscle, which is responsible for elevating the arm and moving…